122103440 has 40 divisors (see below), whose sum is σ = 284499648. Its totient is φ = 48736640.

The previous prime is 122103437. The next prime is 122103493. The reversal of 122103440 is 44301221.

It is a tau number, because it is divible by the number of its divisors (40).

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, 43685 + ... + 46395.

Almost surely, 2^122103440 is an apocalyptic number.

122103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122103440 is an abundant number, since it is smaller than the sum of its proper divisors (162396208).

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

122103440 is a wasteful number, since it uses less digits than its factorization.

122103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122103440 is about 11050.0425338548. The cubic root of 122103440 is about 496.1076986042.

Adding to 122103440 its reverse (44301221), we get a palindrome (166404661).

The spelling of 122103440 in words is "one hundred twenty-two million, one hundred three thousand, four hundred forty".