1612126140 has 48 divisors (see below), whose sum is σ = 4571105280. Its totient is φ = 424457280.

The previous prime is 1612126121. The next prime is 1612126151. The reversal of 1612126140 is 416212161.

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 1612126140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165316 + ... + 174795.

It is an arithmetic number, because the mean of its divisors is an integer number (95231360).

Almost surely, 2^1612126140 is an apocalyptic number.

1612126140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612126140 is an abundant number, since it is smaller than the sum of its proper divisors (2958979140).

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

1612126140 is a wasteful number, since it uses less digits than its factorization.

1612126140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340202 (or 340200 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1612126140 is about 40151.2906392808. The cubic root of 1612126140 is about 1172.5544160608.

The spelling of 1612126140 in words is "one billion, six hundred twelve million, one hundred twenty-six thousand, one hundred forty".