1402201881 has 32 divisors (see below), whose sum is σ = 2262096000. Its totient is φ = 855054144.

The previous prime is 1402201873. The next prime is 1402201883. The reversal of 1402201881 is 1881022041.

It is not a de Polignac number, because 1402201881 - 2³ = 1402201873 is a prime.

It is a super-2 number, since 2×1402201881² = 3932340230159876322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1402201883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32250 + ... + 62003.

It is an arithmetic number, because the mean of its divisors is an integer number (70690500).

Almost surely, 2^1402201881 is an apocalyptic number.

It is an amenable number.

1402201881 is a deficient number, since it is larger than the sum of its proper divisors (859894119).

1402201881 is a wasteful number, since it uses less digits than its factorization.

1402201881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94310 (or 94304 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1402201881 is about 37445.9861800968. The cubic root of 1402201881 is about 1119.2751158177.

The spelling of 1402201881 in words is "one billion, four hundred two million, two hundred one thousand, eight hundred eighty-one".