122697901 has 4 divisors (see below), whose sum is σ = 124709404. Its totient is φ = 120686400.

The previous prime is 122697881. The next prime is 122697917. The reversal of 122697901 is 109796221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109796221 = 443 ⋅247847.

It can be written as a sum of positive squares in 2 ways, for example, as 64160100 + 58537801 = 8010^2 + 7651^2 .

It is a cyclic number.

It is not a de Polignac number, because 122697901 - 2⁹ = 122697389 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 (122697961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005660 + ... + 1005781.

It is an arithmetic number, because the mean of its divisors is an integer number (31177351).

Almost surely, 2^122697901 is an apocalyptic number.

It is an amenable number.

122697901 is a deficient number, since it is larger than the sum of its proper divisors (2011503).

122697901 is an equidigital number, since it uses as much as digits as its factorization.

122697901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011502.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 122697901 is about 11076.9084585908. The cubic root of 122697901 is about 496.9114962367.

The spelling of 122697901 in words is "one hundred twenty-two million, six hundred ninety-seven thousand, nine hundred one".