122620151 has 8 divisors (see below), whose sum is σ = 124322304. Its totient is φ = 120929760.

The previous prime is 122620139. The next prime is 122620171. The reversal of 122620151 is 151026221.

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

It is a cyclic number.

It is not a de Polignac number, because 122620151 - 2²² = 118425847 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 (122620171) 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, 19181 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (15540288).

Almost surely, 2^122620151 is an apocalyptic number.

122620151 is a deficient number, since it is larger than the sum of its proper divisors (1702153).

122620151 is a wasteful number, since it uses less digits than its factorization.

122620151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 122620151 is about 11073.3983491971. The cubic root of 122620151 is about 496.8065147280.

Adding to 122620151 its reverse (151026221), we get a palindrome (273646372).

The spelling of 122620151 in words is "one hundred twenty-two million, six hundred twenty thousand, one hundred fifty-one".