122666410 has 8 divisors (see below), whose sum is σ = 220799556. Its totient is φ = 49066560.

The previous prime is 122666399. The next prime is 122666437. The reversal of 122666410 is 14666221.

It can be written as a sum of positive squares in 2 ways, for example, as 112975641 + 9690769 = 10629^2 + 3113^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6133311 + ... + 6133330.

Almost surely, 2^122666410 is an apocalyptic number.

122666410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122666410 is a deficient number, since it is larger than the sum of its proper divisors (98133146).

122666410 is a wasteful number, since it uses less digits than its factorization.

122666410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266648.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 122666410 is about 11075.4868967463. The cubic root of 122666410 is about 496.8689810328.

The spelling of 122666410 in words is "one hundred twenty-two million, six hundred sixty-six thousand, four hundred ten".