122145436 has 36 divisors (see below), whose sum is σ = 255388728. Its totient is φ = 50930208.

The previous prime is 122145427. The next prime is 122145467. The reversal of 122145436 is 634541221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1170 + ... + 15673.

Almost surely, 2^122145436 is an apocalyptic number.

It is an amenable number.

122145436 is an abundant number, since it is smaller than the sum of its proper divisors (133243292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122145436 is a wasteful number, since it uses less digits than its factorization.

122145436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898 (or 16889 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 122145436 is about 11051.9426346684. The cubic root of 122145436 is about 496.1645688305.

Adding to 122145436 its reverse (634541221), we get a palindrome (756686657).

The spelling of 122145436 in words is "one hundred twenty-two million, one hundred forty-five thousand, four hundred thirty-six".