1292328000 has 448 divisors, whose sum is σ = 4919715840. Its totient is φ = 331776000.

The previous prime is 1292327999. The next prime is 1292328001. The reversal of 1292328000 is 8232921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1292327999) and next prime (1292328001).

It is a super-2 number, since 2×1292328000² = 3340223319168000000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1292328001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6695904 + ... + 6696096.

Almost surely, 2^1292328000 is an apocalyptic number.

1292328000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1292328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459857920).

1292328000 is an abundant number, since it is smaller than the sum of its proper divisors (3627387840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1292328000 is a wasteful number, since it uses less digits than its factorization.

1292328000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1292328000 is about 35948.9638237321. The cubic root of 1292328000 is about 1089.2416800003.

The spelling of 1292328000 in words is "one billion, two hundred ninety-two million, three hundred twenty-eight thousand".