122013149 has 8 divisors (see below), whose sum is σ = 124043832. Its totient is φ = 119992320.

The previous prime is 122013119. The next prime is 122013163. The reversal of 122013149 is 941310221.

It can be written as a sum of positive squares in 4 ways, for example, as 38875225 + 83137924 = 6235^2 + 9118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122013149 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 (122013109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24989 + ... + 29469.

It is an arithmetic number, because the mean of its divisors is an integer number (15505479).

Almost surely, 2^122013149 is an apocalyptic number.

It is an amenable number.

122013149 is a deficient number, since it is larger than the sum of its proper divisors (2030683).

122013149 is an equidigital number, since it uses as much as digits as its factorization.

122013149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 122013149 is about 11045.9562284123. The cubic root of 122013149 is about 495.9853839887.

The spelling of 122013149 in words is "one hundred twenty-two million, thirteen thousand, one hundred forty-nine".