103012542 has 24 divisors (see below), whose sum is σ = 223423200. Its totient is φ = 34302240.

The previous prime is 103012523. The next prime is 103012543. The reversal of 103012542 is 245210301.

It is a super-2 number, since 2×103012542² = 21223167618603528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19834 + ... + 24482.

It is an arithmetic number, because the mean of its divisors is an integer number (9309300).

Almost surely, 2^103012542 is an apocalyptic number.

103012542 is an abundant number, since it is smaller than the sum of its proper divisors (120410658).

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

103012542 is a wasteful number, since it uses less digits than its factorization.

103012542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103012542 is about 10149.5094462737. The cubic root of 103012542 is about 468.7738402808.

Adding to 103012542 its reverse (245210301), we get a palindrome (348222843).

The spelling of 103012542 in words is "one hundred three million, twelve thousand, five hundred forty-two".