11902142 has 32 divisors (see below), whose sum is σ = 22125312. Its totient is φ = 4685184.

The previous prime is 11902133. The next prime is 11902183. The reversal of 11902142 is 24120911.

11902142 is a modest number, since divided by 2142 gives 1190 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9653 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (691416).

Almost surely, 2^11902142 is an apocalyptic number.

11902142 is a deficient number, since it is larger than the sum of its proper divisors (10223170).

11902142 is a wasteful number, since it uses less digits than its factorization.

11902142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11902142 is about 3449.9481155519. The cubic root of 11902142 is about 228.3188188807.

The spelling of 11902142 in words is "eleven million, nine hundred two thousand, one hundred forty-two".