107921143 has 16 divisors (see below), whose sum is σ = 121185792. Its totient is φ = 95256000.

The previous prime is 107921123. The next prime is 107921179. The reversal of 107921143 is 341129701.

It is a cyclic number.

It is not a de Polignac number, because 107921143 - 2⁵ = 107921111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107921113) 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, 121780 + ... + 122662.

It is an arithmetic number, because the mean of its divisors is an integer number (7574112).

Almost surely, 2^107921143 is an apocalyptic number.

107921143 is a deficient number, since it is larger than the sum of its proper divisors (13264649).

107921143 is a wasteful number, since it uses less digits than its factorization.

107921143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 107921143 is about 10388.5101434229. The cubic root of 107921143 is about 476.1043821057.

It can be divided in two parts, 10792 and 1143, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 107921143 in words is "one hundred seven million, nine hundred twenty-one thousand, one hundred forty-three".