101422997 has 4 divisors (see below), whose sum is σ = 109224780. Its totient is φ = 93621216.

The previous prime is 101422987. The next prime is 101422999. The reversal of 101422997 is 799224101.

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 41809156 + 59613841 = 6466^2 + 7721^2 .

It is not a de Polignac number, because 101422997 - 2¹² = 101418901 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 (101422999) 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, 3900872 + ... + 3900897.

It is an arithmetic number, because the mean of its divisors is an integer number (27306195).

Almost surely, 2^101422997 is an apocalyptic number.

It is an amenable number.

101422997 is a deficient number, since it is larger than the sum of its proper divisors (7801783).

101422997 is an equidigital number, since it uses as much as digits as its factorization.

101422997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801782.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 101422997 is about 10070.8985199931. The cubic root of 101422997 is about 466.3501776421.

The spelling of 101422997 in words is "one hundred one million, four hundred twenty-two thousand, nine hundred ninety-seven".