1200874940 has 24 divisors (see below), whose sum is σ = 2546325600. Its totient is φ = 475685568.

The previous prime is 1200874907. The next prime is 1200874943. The reversal of 1200874940 is 494780021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200874940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200874943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289415 + ... + 293534.

It is an arithmetic number, because the mean of its divisors is an integer number (106096900).

Almost surely, 2^1200874940 is an apocalyptic number.

1200874940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200874940 is an abundant number, since it is smaller than the sum of its proper divisors (1345450660).

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

1200874940 is a wasteful number, since it uses less digits than its factorization.

1200874940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583061 (or 583059 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1200874940 is about 34653.6425213858. The cubic root of 1200874940 is about 1062.9167737969.

The spelling of 1200874940 in words is "one billion, two hundred million, eight hundred seventy-four thousand, nine hundred forty".