122612145 has 16 divisors (see below), whose sum is σ = 202944960. Its totient is φ = 63137984.

The previous prime is 122612137. The next prime is 122612153. The reversal of 122612145 is 541216221.

It is an interprime number because it is at equal distance from previous prime (122612137) and next prime (122612153).

It is a cyclic number.

It is not a de Polignac number, because 122612145 - 2³ = 122612137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140499 + ... + 141368.

It is an arithmetic number, because the mean of its divisors is an integer number (12684060).

Almost surely, 2^122612145 is an apocalyptic number.

122612145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122612145 is a deficient number, since it is larger than the sum of its proper divisors (80332815).

122612145 is a wasteful number, since it uses less digits than its factorization.

122612145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281904.

The product of its digits is 960, while the sum is 24.

The square root of 122612145 is about 11073.0368463218. The cubic root of 122612145 is about 496.7957021509.

Adding to 122612145 its reverse (541216221), we get a palindrome (663828366).

The spelling of 122612145 in words is "one hundred twenty-two million, six hundred twelve thousand, one hundred forty-five".