116257921 has 8 divisors (see below), whose sum is σ = 125291264. Its totient is φ = 107237520.

The previous prime is 116257909. The next prime is 116257927. The reversal of 116257921 is 129752611.

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

It is not a de Polignac number, because 116257921 - 2¹¹ = 116255873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116257927) 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, 23920 + ... + 28366.

It is an arithmetic number, because the mean of its divisors is an integer number (15661408).

Almost surely, 2^116257921 is an apocalyptic number.

It is an amenable number.

116257921 is a deficient number, since it is larger than the sum of its proper divisors (9033343).

116257921 is a wasteful number, since it uses less digits than its factorization.

116257921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471.

The product of its digits is 7560, while the sum is 34.

The square root of 116257921 is about 10782.2966477462. The cubic root of 116257921 is about 488.0610884401.

The spelling of 116257921 in words is "one hundred sixteen million, two hundred fifty-seven thousand, nine hundred twenty-one".