122661950 has 24 divisors (see below), whose sum is σ = 228447432. Its totient is φ = 49001120.

The previous prime is 122661949. The next prime is 122661961. The reversal of 122661950 is 59166221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64412 + ... + 66288.

It is an arithmetic number, because the mean of its divisors is an integer number (9518643).

Almost surely, 2^122661950 is an apocalyptic number.

122661950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122661950 is a deficient number, since it is larger than the sum of its proper divisors (105785482).

122661950 is a wasteful number, since it uses less digits than its factorization.

122661950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3191 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 122661950 is about 11075.2855493662. The cubic root of 122661950 is about 496.8629591112.

The spelling of 122661950 in words is "one hundred twenty-two million, six hundred sixty-one thousand, nine hundred fifty".