122145045 has 32 divisors (see below), whose sum is σ = 216829440. Its totient is φ = 58213440.

The previous prime is 122145043. The next prime is 122145047. The reversal of 122145045 is 540541221.

It is an interprime number because it is at equal distance from previous prime (122145043) and next prime (122145047).

It is not a de Polignac number, because 122145045 - 2¹ = 122145043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3462 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (6775920).

Almost surely, 2^122145045 is an apocalyptic number.

122145045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122145045 is a deficient number, since it is larger than the sum of its proper divisors (94684395).

122145045 is a wasteful number, since it uses less digits than its factorization.

122145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 122145045 is about 11051.9249454563. The cubic root of 122145045 is about 496.1640394054.

Adding to 122145045 its reverse (540541221), we get a palindrome (662686266).

It can be divided in two parts, 1221 and 45045, that multiplied together give a palindrome (54999945).

The spelling of 122145045 in words is "one hundred twenty-two million, one hundred forty-five thousand, forty-five".