122202945 has 16 divisors (see below), whose sum is σ = 217249920. Its totient is φ = 65174832.

The previous prime is 122202943. The next prime is 122202973. The reversal of 122202945 is 549202221.

It is a happy number.

It is not a de Polignac number, because 122202945 - 2¹ = 122202943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122202943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452469 + ... + 452738.

It is an arithmetic number, because the mean of its divisors is an integer number (13578120).

Almost surely, 2^122202945 is an apocalyptic number.

122202945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122202945 is a deficient number, since it is larger than the sum of its proper divisors (95046975).

122202945 is an equidigital number, since it uses as much as digits as its factorization.

122202945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905221 (or 905215 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 122202945 is about 11054.5440882924. The cubic root of 122202945 is about 496.2424253381.

The spelling of 122202945 in words is "one hundred twenty-two million, two hundred two thousand, nine hundred forty-five".