101791051 has 2 divisors, whose sum is σ = 101791052. Its totient is φ = 101791050.

The previous prime is 101791003. The next prime is 101791057. The reversal of 101791051 is 150197101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101791051 - 2²³ = 93402443 is a prime.

It is a super-2 number, since 2×101791051² = 20722836127369202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101791057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50895525 + 50895526.

It is an arithmetic number, because the mean of its divisors is an integer number (50895526).

Almost surely, 2^101791051 is an apocalyptic number.

101791051 is a deficient number, since it is larger than the sum of its proper divisors (1).

101791051 is an equidigital number, since it uses as much as digits as its factorization.

101791051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 101791051 is about 10089.1551182445. The cubic root of 101791051 is about 466.9136094966.

The spelling of 101791051 in words is "one hundred one million, seven hundred ninety-one thousand, fifty-one".