122049623 has 2 divisors, whose sum is σ = 122049624. Its totient is φ = 122049622.

The previous prime is 122049617. The next prime is 122049637. The reversal of 122049623 is 326940221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122049623 - 2⁴ = 122049607 is a prime.

It is a super-2 number, since 2×122049623² = 29792220948884258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122048623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61024811 + 61024812.

It is an arithmetic number, because the mean of its divisors is an integer number (61024812).

Almost surely, 2^122049623 is an apocalyptic number.

122049623 is a deficient number, since it is larger than the sum of its proper divisors (1).

122049623 is an equidigital number, since it uses as much as digits as its factorization.

122049623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 122049623 is about 11047.6071164755. The cubic root of 122049623 is about 496.0348015275.

Adding to 122049623 its reverse (326940221), we get a palindrome (448989844).

The spelling of 122049623 in words is "one hundred twenty-two million, forty-nine thousand, six hundred twenty-three".