122140412 has 12 divisors (see below), whose sum is σ = 215284440. Its totient is φ = 60630576.

The previous prime is 122140409. The next prime is 122140423. The reversal of 122140412 is 214041221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109283 + ... + 110394.

It is an arithmetic number, because the mean of its divisors is an integer number (17940370).

Almost surely, 2^122140412 is an apocalyptic number.

It is an amenable number.

122140412 is a deficient number, since it is larger than the sum of its proper divisors (93144028).

122140412 is a wasteful number, since it uses less digits than its factorization.

122140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219820 (or 219818 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 122140412 is about 11051.7153419729. The cubic root of 122140412 is about 496.1577661067.

Adding to 122140412 its reverse (214041221), we get a palindrome (336181633).

The spelling of 122140412 in words is "one hundred twenty-two million, one hundred forty thousand, four hundred twelve".