1402201142 has 16 divisors (see below), whose sum is σ = 2127325200. Its totient is φ = 693135360.

The previous prime is 1402201117. The next prime is 1402201169. The reversal of 1402201142 is 2411022041.

It is a super-2 number, since 2×1402201142² = 3932336085252208328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1402201142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56534 + ... + 77462.

It is an arithmetic number, because the mean of its divisors is an integer number (132957825).

Almost surely, 2^1402201142 is an apocalyptic number.

1402201142 is a deficient number, since it is larger than the sum of its proper divisors (725124058).

1402201142 is a wasteful number, since it uses less digits than its factorization.

1402201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1402201142 is about 37445.9763125493. The cubic root of 1402201142 is about 1119.2749191878.

Adding to 1402201142 its reverse (2411022041), we get a palindrome (3813223183).

The spelling of 1402201142 in words is "one billion, four hundred two million, two hundred one thousand, one hundred forty-two".