901251 has 12 divisors (see below), whose sum is σ = 1402128. Its totient is φ = 554544.

The previous prime is 901249. The next prime is 901253. The reversal of 901251 is 152109.

It is an interprime number because it is at equal distance from previous prime (901249) and next prime (901253).

It is not a de Polignac number, because 901251 - 2¹ = 901249 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 901251.

It is not an unprimeable number, because it can be changed into a prime (901253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3735 + ... + 3968.

It is an arithmetic number, because the mean of its divisors is an integer number (116844).

2⁹⁰¹²⁵¹ is an apocalyptic number.

901251 is a deficient number, since it is larger than the sum of its proper divisors (500877).

901251 is a wasteful number, since it uses less digits than its factorization.

901251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722 (or 7719 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 901251 is about 949.3424039829. The cubic root of 901251 is about 96.5936520911.

The spelling of 901251 in words is "nine hundred one thousand, two hundred fifty-one".