103121337 has 32 divisors (see below), whose sum is σ = 162238464. Its totient is φ = 57555200.

The previous prime is 103121329. The next prime is 103121339. The reversal of 103121337 is 733121301.

It is not a de Polignac number, because 103121337 - 2³ = 103121329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103121339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24412 + ... + 28322.

It is an arithmetic number, because the mean of its divisors is an integer number (5069952).

Almost surely, 2^103121337 is an apocalyptic number.

103121337 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

103121337 is a deficient number, since it is larger than the sum of its proper divisors (59117127).

103121337 is a wasteful number, since it uses less digits than its factorization.

103121337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 103121337 is about 10154.8676505408. The cubic root of 103121337 is about 468.9388114747.

Adding to 103121337 its reverse (733121301), we get a palindrome (836242638).

The spelling of 103121337 in words is "one hundred three million, one hundred twenty-one thousand, three hundred thirty-seven".