61274662123 has 8 divisors (see below), whose sum is σ = 65138256720. Its totient is φ = 57474928800.

The previous prime is 61274662121. The next prime is 61274662151. The reversal of 61274662123 is 32126647216.

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 61274662123 - 2¹ = 61274662121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61274662121) 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, 15963340 + ... + 15967177.

It is an arithmetic number, because the mean of its divisors is an integer number (8142282090).

Almost surely, 2^61274662123 is an apocalyptic number.

61274662123 is a deficient number, since it is larger than the sum of its proper divisors (3863594597).

61274662123 is a wasteful number, since it uses less digits than its factorization.

61274662123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31930637.

The product of its digits is 145152, while the sum is 40.

The spelling of 61274662123 in words is "sixty-one billion, two hundred seventy-four million, six hundred sixty-two thousand, one hundred twenty-three".