122140546 has 32 divisors (see below), whose sum is σ = 213451200. Its totient is φ = 52233280.

The previous prime is 122140541. The next prime is 122140549. The reversal of 122140546 is 645041221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122140546.

It is not an unprimeable number, because it can be changed into a prime (122140541) 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, 43905 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (6670350).

Almost surely, 2^122140546 is an apocalyptic number.

122140546 is a deficient number, since it is larger than the sum of its proper divisors (91310654).

122140546 is a wasteful number, since it uses less digits than its factorization.

122140546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 122140546 is about 11051.7214043786. The cubic root of 122140546 is about 496.1579475512.

Adding to 122140546 its reverse (645041221), we get a palindrome (767181767).

The spelling of 122140546 in words is "one hundred twenty-two million, one hundred forty thousand, five hundred forty-six".