122727461 has 4 divisors (see below), whose sum is σ = 125581632. Its totient is φ = 119873292.

The previous prime is 122727457. The next prime is 122727469. The reversal of 122727461 is 164727221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164727221 = 29 ⋅5680249.

It is a cyclic number.

It is not a de Polignac number, because 122727461 - 2² = 122727457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122727469) 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, 1427021 + ... + 1427106.

It is an arithmetic number, because the mean of its divisors is an integer number (31395408).

Almost surely, 2^122727461 is an apocalyptic number.

It is an amenable number.

122727461 is a deficient number, since it is larger than the sum of its proper divisors (2854171).

122727461 is an equidigital number, since it uses as much as digits as its factorization.

122727461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854170.

The product of its digits is 9408, while the sum is 32.

The square root of 122727461 is about 11078.2426855526. The cubic root of 122727461 is about 496.9513978278.

The spelling of 122727461 in words is "one hundred twenty-two million, seven hundred twenty-seven thousand, four hundred sixty-one".