103140121253 has 32 divisors (see below), whose sum is σ = 115018100736. Its totient is φ = 91884699648.

The previous prime is 103140121241. The next prime is 103140121261. The reversal of 103140121253 is 352121041301.

It is a cyclic number.

It is not a de Polignac number, because 103140121253 - 2²⁰ = 103139072677 is a prime.

It is a super-2 number, since 2×103140121253² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140121223) 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, 18242375 + ... + 18248027.

It is an arithmetic number, because the mean of its divisors is an integer number (3594315648).

Almost surely, 2^103140121253 is an apocalyptic number.

103140121253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103140121253 is a deficient number, since it is larger than the sum of its proper divisors (11877979483).

103140121253 is a wasteful number, since it uses less digits than its factorization.

103140121253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 103140121253 its reverse (352121041301), we get a palindrome (455261162554).

The spelling of 103140121253 in words is "one hundred three billion, one hundred forty million, one hundred twenty-one thousand, two hundred fifty-three".