901251290 has 16 divisors (see below), whose sum is σ = 1629402912. Its totient is φ = 358911504.

The previous prime is 901251289. The next prime is 901251331. The reversal of 901251290 is 92152109.

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 7 ways as a sum of consecutive naturals, for example, 196244 + ... + 200783.

It is an arithmetic number, because the mean of its divisors is an integer number (101837682).

Almost surely, 2^901251290 is an apocalyptic number.

901251290 is a deficient number, since it is larger than the sum of its proper divisors (728151622).

901251290 is a wasteful number, since it uses less digits than its factorization.

901251290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397261.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 901251290 is about 30020.8475896334. The cubic root of 901251290 is about 965.9366245160.

The spelling of 901251290 in words is "nine hundred one million, two hundred fifty-one thousand, two hundred ninety".