113121770 has 8 divisors (see below), whose sum is σ = 203619204. Its totient is φ = 45248704.

The previous prime is 113121737. The next prime is 113121773. The reversal of 113121770 is 77121311.

It can be written as a sum of positive squares in 2 ways, for example, as 101143249 + 11978521 = 10057^2 + 3461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (113121773) 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, 5656079 + ... + 5656098.

Almost surely, 2^113121770 is an apocalyptic number.

113121770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113121770 is a deficient number, since it is larger than the sum of its proper divisors (90497434).

113121770 is a wasteful number, since it uses less digits than its factorization.

113121770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312184.

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

The square root of 113121770 is about 10635.8718495476. The cubic root of 113121770 is about 483.6324104860.

The spelling of 113121770 in words is "one hundred thirteen million, one hundred twenty-one thousand, seven hundred seventy".