122561002 has 8 divisors (see below), whose sum is σ = 184245156. Its totient is φ = 61145952.

The previous prime is 122560979. The next prime is 122561003. The reversal of 122561002 is 200165221.

It can be written as a sum of positive squares in 2 ways, for example, as 105247081 + 17313921 = 10259^2 + 4161^2 .

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

It is a super-2 number, since 2×122561002² = 30042398422488008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122561003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66133 + ... + 67960.

Almost surely, 2^122561002 is an apocalyptic number.

122561002 is a deficient number, since it is larger than the sum of its proper divisors (61684154).

122561002 is a wasteful number, since it uses less digits than its factorization.

122561002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134552.

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

The square root of 122561002 is about 11070.7272570505. The cubic root of 122561002 is about 496.7266193912.

The spelling of 122561002 in words is "one hundred twenty-two million, five hundred sixty-one thousand, two".