122154841 has 4 divisors (see below), whose sum is σ = 122446800. Its totient is φ = 121862884.

The previous prime is 122154827. The next prime is 122154853. The reversal of 122154841 is 148451221.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122154841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122154941) 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, 145351 + ... + 146188.

It is an arithmetic number, because the mean of its divisors is an integer number (30611700).

Almost surely, 2^122154841 is an apocalyptic number.

It is an amenable number.

122154841 is a deficient number, since it is larger than the sum of its proper divisors (291959).

122154841 is an equidigital number, since it uses as much as digits as its factorization.

122154841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291958.

The product of its digits is 2560, while the sum is 28.

The square root of 122154841 is about 11052.3681172860. The cubic root of 122154841 is about 496.1773031254.

The spelling of 122154841 in words is "one hundred twenty-two million, one hundred fifty-four thousand, eight hundred forty-one".