1881301401 has 24 divisors (see below), whose sum is σ = 3108952704. Its totient is φ = 1073882880.

The previous prime is 1881301393. The next prime is 1881301403. The reversal of 1881301401 is 1041031881.

It is not a de Polignac number, because 1881301401 - 2³ = 1881301393 is a prime.

It is a super-2 number, since 2×1881301401² = 7078589922809125602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1881301403) 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, 45481 + ... + 76361.

It is an arithmetic number, because the mean of its divisors is an integer number (129539696).

Almost surely, 2^1881301401 is an apocalyptic number.

It is an amenable number.

1881301401 is a deficient number, since it is larger than the sum of its proper divisors (1227651303).

1881301401 is a wasteful number, since it uses less digits than its factorization.

1881301401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861 (or 31858 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1881301401 is about 43373.9714690735. The cubic root of 1881301401 is about 1234.4858784391.

The spelling of 1881301401 in words is "one billion, eight hundred eighty-one million, three hundred one thousand, four hundred one".