1292486472 has 192 divisors, whose sum is σ = 3994997760. Its totient is φ = 375091200.

The previous prime is 1292486467. The next prime is 1292486477. The reversal of 1292486472 is 2746842921.

1292486472 is a `hidden beast` number, since 12 + 92 + 4 + 86 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (1292486467) and next prime (1292486477).

It is not an unprimeable number, because it can be changed into a prime (1292486477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 871972 + ... + 873452.

It is an arithmetic number, because the mean of its divisors is an integer number (20807280).

Almost surely, 2^1292486472 is an apocalyptic number.

1292486472 is a gapful number since it is divisible by the number (12) 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 1292486472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997498880).

1292486472 is an abundant number, since it is smaller than the sum of its proper divisors (2702511288).

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

1292486472 is a wasteful number, since it uses less digits than its factorization.

1292486472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1557 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1292486472 is about 35951.1678808909. The cubic root of 1292486472 is about 1089.2862010126.

The spelling of 1292486472 in words is "one billion, two hundred ninety-two million, four hundred eighty-six thousand, four hundred seventy-two".