901878131 has 8 divisors (see below), whose sum is σ = 1124419584. Its totient is φ = 702762120.

The previous prime is 901878127. The next prime is 901878137. The reversal of 901878131 is 131878109.

901878131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 901878131 - 2² = 901878127 is a prime.

It is a super-2 number, since 2×901878131² = 1626768326352106322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901878137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5856275 + ... + 5856428.

It is an arithmetic number, because the mean of its divisors is an integer number (140552448).

Almost surely, 2^901878131 is an apocalyptic number.

901878131 is a deficient number, since it is larger than the sum of its proper divisors (222541453).

901878131 is a wasteful number, since it uses less digits than its factorization.

901878131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712721.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 901878131 is about 30031.2858699057. The cubic root of 901878131 is about 966.1605163293.

The spelling of 901878131 in words is "nine hundred one million, eight hundred seventy-eight thousand, one hundred thirty-one".