122331145 has 8 divisors (see below), whose sum is σ = 146943360. Its totient is φ = 97767600.

The previous prime is 122331119. The next prime is 122331149. The reversal of 122331145 is 541133221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122331145 - 2⁹ = 122330633 is a prime.

It is a super-2 number, since 2×122331145² = 29929818074022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122331149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (18367920).

Almost surely, 2^122331145 is an apocalyptic number.

It is an amenable number.

122331145 is a deficient number, since it is larger than the sum of its proper divisors (24612215).

122331145 is a wasteful number, since it uses less digits than its factorization.

122331145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24335.

The product of its digits is 720, while the sum is 22.

The square root of 122331145 is about 11060.3410887730. The cubic root of 122331145 is about 496.4158964578.

Adding to 122331145 its reverse (541133221), we get a palindrome (663464366).

The spelling of 122331145 in words is "one hundred twenty-two million, three hundred thirty-one thousand, one hundred forty-five".