1512138 has 16 divisors (see below), whose sum is σ = 3095136. Its totient is φ = 492240.

The previous prime is 1512127. The next prime is 1512169. The reversal of 1512138 is 8312151.

It is a super-2 number, since 2×1512138² = 4573122662088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (193446).

2^1512138 is an apocalyptic number.

1512138 is an abundant number, since it is smaller than the sum of its proper divisors (1582998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1512138 is a wasteful number, since it uses less digits than its factorization.

1512138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909.

The product of its digits is 240, while the sum is 21.

The square root of 1512138 is about 1229.6902048890. The cubic root of 1512138 is about 114.7793627186.

Adding to 1512138 its reverse (8312151), we get a palindrome (9824289).

The spelling of 1512138 in words is "one million, five hundred twelve thousand, one hundred thirty-eight".