122306145 has 24 divisors (see below), whose sum is σ = 211905216. Its totient is φ = 60211008.

The previous prime is 122306131. The next prime is 122306153. The reversal of 122306145 is 541603221.

It is not a de Polignac number, because 122306145 - 2⁶ = 122306081 is a prime.

It is a super-2 number, since 2×122306145² = 29917586209522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21589 + ... + 26658.

It is an arithmetic number, because the mean of its divisors is an integer number (8829384).

Almost surely, 2^122306145 is an apocalyptic number.

122306145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122306145 is a deficient number, since it is larger than the sum of its proper divisors (89599071).

122306145 is a wasteful number, since it uses less digits than its factorization.

122306145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48281 (or 48268 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 122306145 is about 11059.2108669651. The cubic root of 122306145 is about 496.3820777523.

Adding to 122306145 its reverse (541603221), we get a palindrome (663909366).

The spelling of 122306145 in words is "one hundred twenty-two million, three hundred six thousand, one hundred forty-five".