103072407 has 16 divisors (see below), whose sum is σ = 143870208. Its totient is φ = 65514240.

The previous prime is 103072399. The next prime is 103072421. The reversal of 103072407 is 704270301.

It is not a de Polignac number, because 103072407 - 2³ = 103072399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103072477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20583 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (8991888).

Almost surely, 2^103072407 is an apocalyptic number.

103072407 is a deficient number, since it is larger than the sum of its proper divisors (40797801).

103072407 is a wasteful number, since it uses less digits than its factorization.

103072407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 103072407 is about 10152.4581752401. The cubic root of 103072407 is about 468.8646308808.

It can be divided in two parts, 1030 and 72407, that added together give a palindrome (73437).

The spelling of 103072407 in words is "one hundred three million, seventy-two thousand, four hundred seven".