1522131 has 16 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 905760.

The previous prime is 1522127. The next prime is 1522153. The reversal of 1522131 is 1312251.

It is not a de Polignac number, because 1522131 - 2² = 1522127 is a prime.

It is a super-2 number, since 2×1522131² = 4633765562322, 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 1522131.

It is not an unprimeable number, because it can be changed into a prime (1522111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580 + ... + 1838.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^1522131 is an apocalyptic number.

1522131 is a deficient number, since it is larger than the sum of its proper divisors (735789).

1522131 is a wasteful number, since it uses less digits than its factorization.

1522131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its digits is 60, while the sum is 15.

The square root of 1522131 is about 1233.7467325185. The cubic root of 1522131 is about 115.0316485043.

Adding to 1522131 its reverse (1312251), we get a palindrome (2834382).

It can be divided in two parts, 1522 and 131, that added together give a triangular number (1653 = T₅₇).

The spelling of 1522131 in words is "one million, five hundred twenty-two thousand, one hundred thirty-one".