1500131 has 8 divisors (see below), whose sum is σ = 1609920. Its totient is φ = 1392768.

The previous prime is 1500127. The next prime is 1500133. The reversal of 1500131 is 1310051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1500131 - 2² = 1500127 is a prime.

It is a super-2 number, since 2×1500131² = 4500786034322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1500133) 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 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (201240).

2^1500131 is an apocalyptic number.

1500131 is a deficient number, since it is larger than the sum of its proper divisors (109789).

1500131 is a wasteful number, since it uses less digits than its factorization.

1500131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1500131 is about 1224.7983507500. The cubic root of 1500131 is about 114.4747565487.

Adding to 1500131 its reverse (1310051), we get a palindrome (2810182).

The spelling of 1500131 in words is "one million, five hundred thousand, one hundred thirty-one".