1250297090 has 32 divisors (see below), whose sum is σ = 2707413120. Its totient is φ = 406111104.

The previous prime is 1250297051. The next prime is 1250297099. The reversal of 1250297090 is 907920521.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1250297090.

It is not an unprimeable number, because it can be changed into a prime (1250297099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468707 + ... + 471366.

It is an arithmetic number, because the mean of its divisors is an integer number (84606660).

Almost surely, 2^1250297090 is an apocalyptic number.

1250297090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250297090 is an abundant number, since it is smaller than the sum of its proper divisors (1457116030).

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

1250297090 is a wasteful number, since it uses less digits than its factorization.

1250297090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940106.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1250297090 is about 35359.5402967855. The cubic root of 1250297090 is about 1077.3026797227.

The spelling of 1250297090 in words is "one billion, two hundred fifty million, two hundred ninety-seven thousand, ninety".