113121707 has 4 divisors (see below), whose sum is σ = 114220080. Its totient is φ = 112023336.

The previous prime is 113121677. The next prime is 113121727. The reversal of 113121707 is 707121311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707121311 = 13 ⋅54393947.

It is a cyclic number.

It is not a de Polignac number, because 113121707 - 2²⁶ = 46012843 is a prime.

It is a super-3 number, since 3×113121707³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113121727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549032 + ... + 549237.

It is an arithmetic number, because the mean of its divisors is an integer number (28555020).

Almost surely, 2^113121707 is an apocalyptic number.

113121707 is a deficient number, since it is larger than the sum of its proper divisors (1098373).

113121707 is a wasteful number, since it uses less digits than its factorization.

113121707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098372.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 113121707 is about 10635.8688878718. The cubic root of 113121707 is about 483.6323207042.

The spelling of 113121707 in words is "one hundred thirteen million, one hundred twenty-one thousand, seven hundred seven".