1262125400 has 24 divisors (see below), whose sum is σ = 2934442020. Its totient is φ = 504850080.

The previous prime is 1262125393. The next prime is 1262125471. The reversal of 1262125400 is 45212621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3155114 + ... + 3155513.

Almost surely, 2^1262125400 is an apocalyptic number.

1262125400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1262125400 is an abundant number, since it is smaller than the sum of its proper divisors (1672316620).

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

1262125400 is a wasteful number, since it uses less digits than its factorization.

1262125400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310643 (or 6310634 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1262125400 is about 35526.4042649970. The cubic root of 1262125400 is about 1080.6892605204.

The spelling of 1262125400 in words is "one billion, two hundred sixty-two million, one hundred twenty-five thousand, four hundred".