122302140 has 24 divisors (see below), whose sum is σ = 342446160. Its totient is φ = 32613888.

The previous prime is 122302123. The next prime is 122302151. The reversal of 122302140 is 41203221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019125 + ... + 1019244.

It is an arithmetic number, because the mean of its divisors is an integer number (14268590).

Almost surely, 2^122302140 is an apocalyptic number.

122302140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122302140 is an abundant number, since it is smaller than the sum of its proper divisors (220144020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122302140 is a wasteful number, since it uses less digits than its factorization.

122302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038381 (or 2038379 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122302140 is about 11059.0297946972. The cubic root of 122302140 is about 496.3766595674.

Adding to 122302140 its reverse (41203221), we get a palindrome (163505361).

The spelling of 122302140 in words is "one hundred twenty-two million, three hundred two thousand, one hundred forty".