103400121015 has 24 divisors (see below), whose sum is σ = 179307098880. Its totient is φ = 55122047424.

The previous prime is 103400120983. The next prime is 103400121017. The reversal of 103400121015 is 510121004301.

It is not a de Polignac number, because 103400121015 - 2⁵ = 103400120983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103400121017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412372 + ... + 613881.

It is an arithmetic number, because the mean of its divisors is an integer number (7471129120).

Almost surely, 2^103400121015 is an apocalyptic number.

103400121015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103400121015 is a deficient number, since it is larger than the sum of its proper divisors (75906977865).

103400121015 is a wasteful number, since it uses less digits than its factorization.

103400121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028503 (or 1028500 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 103400121015 its reverse (510121004301), we get a palindrome (613521125316).

The spelling of 103400121015 in words is "one hundred three billion, four hundred million, one hundred twenty-one thousand, fifteen".