1402401051 has 6 divisors (see below), whose sum is σ = 2025690420. Its totient is φ = 934934028.

The previous prime is 1402400947. The next prime is 1402401061. The reversal of 1402401051 is 1501042041.

It is not a de Polignac number, because 1402401051 - 2¹⁴ = 1402384667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402401061) 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 5 ways as a sum of consecutive naturals, for example, 77911161 + ... + 77911178.

It is an arithmetic number, because the mean of its divisors is an integer number (337615070).

Almost surely, 2^1402401051 is an apocalyptic number.

1402401051 is a deficient number, since it is larger than the sum of its proper divisors (623289369).

1402401051 is a wasteful number, since it uses less digits than its factorization.

1402401051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155822345 (or 155822342 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1402401051 is about 37448.6455162266. The cubic root of 1402401051 is about 1119.3281075858.

Adding to 1402401051 its reverse (1501042041), we get a palindrome (2903443092).

The spelling of 1402401051 in words is "one billion, four hundred two million, four hundred one thousand, fifty-one".