1200401260 has 48 divisors (see below), whose sum is σ = 2579314752. Its totient is φ = 469145600.

The previous prime is 1200401207. The next prime is 1200401311. The reversal of 1200401260 is 621040021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156720 + ... + 164200.

It is an arithmetic number, because the mean of its divisors is an integer number (53735724).

Almost surely, 2^1200401260 is an apocalyptic number.

1200401260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200401260 is an abundant number, since it is smaller than the sum of its proper divisors (1378913492).

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

1200401260 is a wasteful number, since it uses less digits than its factorization.

1200401260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7674 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1200401260 is about 34646.8073565228. The cubic root of 1200401260 is about 1062.7770010879. Note that the first 3 decimals are identical.

Adding to 1200401260 its reverse (621040021), we get a palindrome (1821441281).

The spelling of 1200401260 in words is "one billion, two hundred million, four hundred one thousand, two hundred sixty".