103137081 has 8 divisors (see below), whose sum is σ = 138599424. Its totient is φ = 68216400.

The previous prime is 103137071. The next prime is 103137163. The reversal of 103137081 is 180731301.

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

It is a de Polignac number, because none of the positive numbers 2^k-103137081 is a prime.

It is a super-2 number, since 2×103137081² = 21274514954401122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103137061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134970 + ... + 135731.

It is an arithmetic number, because the mean of its divisors is an integer number (17324928).

Almost surely, 2^103137081 is an apocalyptic number.

It is an amenable number.

103137081 is a deficient number, since it is larger than the sum of its proper divisors (35462343).

103137081 is a wasteful number, since it uses less digits than its factorization.

103137081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270831.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 103137081 is about 10155.6428156961. The cubic root of 103137081 is about 468.9626752620.

Adding to 103137081 its reverse (180731301), we get a palindrome (283868382).

The spelling of 103137081 in words is "one hundred three million, one hundred thirty-seven thousand, eighty-one".