122734261 has 8 divisors (see below), whose sum is σ = 132280344. Its totient is φ = 113203200.

The previous prime is 122734259. The next prime is 122734267. The reversal of 122734261 is 162437221.

It can be written as a sum of positive squares in 4 ways, for example, as 64883025 + 57851236 = 8055^2 + 7606^2 .

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 122734261 - 2¹ = 122734259 is a prime.

It is a super-2 number, since 2×122734261² = 30127397646432242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122734267) 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, 17865 + ... + 23761.

It is an arithmetic number, because the mean of its divisors is an integer number (16535043).

Almost surely, 2^122734261 is an apocalyptic number.

It is an amenable number.

122734261 is a deficient number, since it is larger than the sum of its proper divisors (9546083).

122734261 is a wasteful number, since it uses less digits than its factorization.

122734261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511.

The product of its digits is 4032, while the sum is 28.

The square root of 122734261 is about 11078.5495891836. The cubic root of 122734261 is about 496.9605759070.

The spelling of 122734261 in words is "one hundred twenty-two million, seven hundred thirty-four thousand, two hundred sixty-one".