1200949200 has 360 divisors, whose sum is σ = 4703518400. Its totient is φ = 290822400.

The previous prime is 1200949199. The next prime is 1200949201. The reversal of 1200949200 is 29490021.

It is an interprime number because it is at equal distance from previous prime (1200949199) and next prime (1200949201).

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200949201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1306341 + ... + 1307259.

Almost surely, 2^1200949200 is an apocalyptic number.

1200949200 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 1200949200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351759200).

1200949200 is an abundant number, since it is smaller than the sum of its proper divisors (3502569200).

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

1200949200 is a wasteful number, since it uses less digits than its factorization.

1200949200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1200949200 is about 34654.7139650582. The cubic root of 1200949200 is about 1062.9386829817.

The spelling of 1200949200 in words is "one billion, two hundred million, nine hundred forty-nine thousand, two hundred".