116401057 has 4 divisors (see below), whose sum is σ = 123248196. Its totient is φ = 109553920.

The previous prime is 116401039. The next prime is 116401069. The reversal of 116401057 is 750104611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 73942801 = 6516^2 + 8599^2 .

It is a cyclic number.

It is not a de Polignac number, because 116401057 - 2¹⁵ = 116368289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116401007) 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, 3423544 + ... + 3423577.

It is an arithmetic number, because the mean of its divisors is an integer number (30812049).

Almost surely, 2^116401057 is an apocalyptic number.

116401057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

116401057 is a deficient number, since it is larger than the sum of its proper divisors (6847139).

116401057 is an equidigital number, since it uses as much as digits as its factorization.

116401057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847138.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 116401057 is about 10788.9321529056. The cubic root of 116401057 is about 488.2613055118.

Adding to 116401057 its reverse (750104611), we get a palindrome (866505668).

The spelling of 116401057 in words is "one hundred sixteen million, four hundred one thousand, fifty-seven".