140403122 has 16 divisors (see below), whose sum is σ = 223166400. Its totient is φ = 66063600.

The previous prime is 140403121. The next prime is 140403143. The reversal of 140403122 is 221304041.

It is a self number, because there is not a number n which added to its sum of digits gives 140403122.

It is not an unprimeable number, because it can be changed into a prime (140403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6497 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (13947900).

Almost surely, 2^140403122 is an apocalyptic number.

140403122 is a deficient number, since it is larger than the sum of its proper divisors (82763278).

140403122 is a wasteful number, since it uses less digits than its factorization.

140403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24641.

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

The square root of 140403122 is about 11849.1823346592. The cubic root of 140403122 is about 519.7473155955.

Adding to 140403122 its reverse (221304041), we get a palindrome (361707163).

The spelling of 140403122 in words is "one hundred forty million, four hundred three thousand, one hundred twenty-two".