27201142 has 16 divisors (see below), whose sum is σ = 42202800. Its totient is φ = 13138848.

The previous prime is 27201133. The next prime is 27201149. The reversal of 27201142 is 24110272.

It is a happy number.

It is a super-2 number, since 2×27201142² = 1479804252208328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27201149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9793 + ... + 12259.

It is an arithmetic number, because the mean of its divisors is an integer number (2637675).

Almost surely, 2^27201142 is an apocalyptic number.

27201142 is a deficient number, since it is larger than the sum of its proper divisors (15001658).

27201142 is a wasteful number, since it uses less digits than its factorization.

27201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 27201142 is about 5215.4714072651. The cubic root of 27201142 is about 300.7431280528.

The spelling of 27201142 in words is "twenty-seven million, two hundred one thousand, one hundred forty-two".