122651002 has 4 divisors (see below), whose sum is σ = 183976506. Its totient is φ = 61325500.

The previous prime is 122650999. The next prime is 122651003. The reversal of 122651002 is 200156221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200156221 = 47 ⋅4258643.

It can be written as a sum of positive squares in only one way, i.e., 97239321 + 25411681 = 9861^2 + 5041^2 .

It is not an unprimeable number, because it can be changed into a prime (122651003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30662749 + ... + 30662752.

Almost surely, 2^122651002 is an apocalyptic number.

122651002 is a deficient number, since it is larger than the sum of its proper divisors (61325504).

122651002 is an equidigital number, since it uses as much as digits as its factorization.

122651002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61325503.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122651002 is about 11074.7912847150. The cubic root of 122651002 is about 496.8481764300.

The spelling of 122651002 in words is "one hundred twenty-two million, six hundred fifty-one thousand, two".