901019412 has 72 divisors (see below), whose sum is σ = 2352823200. Its totient is φ = 290513088.

The previous prime is 901019401. The next prime is 901019419. The reversal of 901019412 is 214910109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901019419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236539 + ... + 240317.

It is an arithmetic number, because the mean of its divisors is an integer number (32678100).

Almost surely, 2^901019412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901019412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176411600).

901019412 is an abundant number, since it is smaller than the sum of its proper divisors (1451803788).

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

901019412 is a wasteful number, since it uses less digits than its factorization.

901019412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 4000 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 901019412 is about 30016.9853916079. The cubic root of 901019412 is about 965.8537772322.

The spelling of 901019412 in words is "nine hundred one million, nineteen thousand, four hundred twelve".