122611493 has 2 divisors, whose sum is σ = 122611494. Its totient is φ = 122611492.

The previous prime is 122611487. The next prime is 122611519. The reversal of 122611493 is 394116221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 52085089 = 8398^2 + 7217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122611493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122611453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61305746 + 61305747.

It is an arithmetic number, because the mean of its divisors is an integer number (61305747).

Almost surely, 2^122611493 is an apocalyptic number.

It is an amenable number.

122611493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122611493 is an equidigital number, since it uses as much as digits as its factorization.

122611493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 122611493 is about 11073.0074053980. The cubic root of 122611493 is about 496.7948215655.

The spelling of 122611493 in words is "one hundred twenty-two million, six hundred eleven thousand, four hundred ninety-three".