122145023 has 24 divisors (see below), whose sum is σ = 165256224. Its totient is φ = 87848640.

The previous prime is 122145011. The next prime is 122145031. The reversal of 122145023 is 320541221.

It is not a de Polignac number, because 122145023 - 2⁶ = 122144959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122144986 and 122145004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5465 + ... + 16557.

It is an arithmetic number, because the mean of its divisors is an integer number (6885676).

Almost surely, 2^122145023 is an apocalyptic number.

122145023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122145023 is a deficient number, since it is larger than the sum of its proper divisors (43111201).

122145023 is a wasteful number, since it uses less digits than its factorization.

122145023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135 (or 11124 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122145023 is about 11051.9239501546. The cubic root of 122145023 is about 496.1640096168.

Adding to 122145023 its reverse (320541221), we get a palindrome (442686244).

The spelling of 122145023 in words is "one hundred twenty-two million, one hundred forty-five thousand, twenty-three".