122093749 has 4 divisors (see below), whose sum is σ = 123302700. Its totient is φ = 120884800.

The previous prime is 122093707. The next prime is 122093771. The reversal of 122093749 is 947390221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 947390221 = 4643 ⋅204047.

It can be written as a sum of positive squares in 2 ways, for example, as 91068849 + 31024900 = 9543^2 + 5570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122093749 is a prime.

It is a Duffinian number.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122093149) 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, 604324 + ... + 604525.

It is an arithmetic number, because the mean of its divisors is an integer number (30825675).

Almost surely, 2^122093749 is an apocalyptic number.

It is an amenable number.

122093749 is a deficient number, since it is larger than the sum of its proper divisors (1208951).

122093749 is a wasteful number, since it uses less digits than its factorization.

122093749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208950.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 122093749 is about 11049.6040200543. The cubic root of 122093749 is about 496.0945733750.

The spelling of 122093749 in words is "one hundred twenty-two million, ninety-three thousand, seven hundred forty-nine".