107124721 has 8 divisors (see below), whose sum is σ = 116978688. Its totient is φ = 97290000.

The previous prime is 107124709. The next prime is 107124727. The reversal of 107124721 is 127421701.

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

It is a cyclic number.

It is not a de Polignac number, because 107124721 - 2¹⁵ = 107091953 is a prime.

It is a super-2 number, since 2×107124721² = 22951411698655682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107124727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8431 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (14622336).

Almost surely, 2^107124721 is an apocalyptic number.

107124721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

107124721 is a deficient number, since it is larger than the sum of its proper divisors (9853967).

107124721 is a wasteful number, since it uses less digits than its factorization.

107124721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 107124721 is about 10350.1072941299. The cubic root of 107124721 is about 474.9303255145.

The spelling of 107124721 in words is "one hundred seven million, one hundred twenty-four thousand, seven hundred twenty-one".