101197899 has 12 divisors (see below), whose sum is σ = 159463512. Its totient is φ = 61332000.

The previous prime is 101197883. The next prime is 101197903. The reversal of 101197899 is 998791101.

It is not a de Polignac number, because 101197899 - 2⁴ = 101197883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101197879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511002 + ... + 511199.

It is an arithmetic number, because the mean of its divisors is an integer number (13288626).

Almost surely, 2^101197899 is an apocalyptic number.

101197899 is a deficient number, since it is larger than the sum of its proper divisors (58265613).

101197899 is a wasteful number, since it uses less digits than its factorization.

101197899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022218 (or 1022215 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 45.

The square root of 101197899 is about 10059.7166461089. The cubic root of 101197899 is about 466.0049165365.

The spelling of 101197899 in words is "one hundred one million, one hundred ninety-seven thousand, eight hundred ninety-nine".