15042131 has 16 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 13335840.

The previous prime is 15042119. The next prime is 15042133. The reversal of 15042131 is 13124051.

15042131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15042131 is a prime.

It is a super-2 number, since 2×15042131² = 452531410042322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15042133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39500 + ... + 39878.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 2^15042131 is an apocalyptic number.

15042131 is a deficient number, since it is larger than the sum of its proper divisors (1811629).

15042131 is a wasteful number, since it uses less digits than its factorization.

15042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15042131 is about 3878.4186210362. The cubic root of 15042131 is about 246.8518893284.

Adding to 15042131 its reverse (13124051), we get a palindrome (28166182).

The spelling of 15042131 in words is "fifteen million, forty-two thousand, one hundred thirty-one".