1246020180 has 48 divisors (see below), whose sum is σ = 3538007424. Its totient is φ = 327591040.

The previous prime is 1246020179. The next prime is 1246020229. The reversal of 1246020180 is 810206421.

It is a self number, because there is not a number n which added to its sum of digits gives 1246020180.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141987 + ... + 150506.

It is an arithmetic number, because the mean of its divisors is an integer number (73708488).

Almost surely, 2^1246020180 is an apocalyptic number.

1246020180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1246020180 is an abundant number, since it is smaller than the sum of its proper divisors (2291987244).

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

1246020180 is a wasteful number, since it uses less digits than its factorization.

1246020180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292576 (or 292574 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1246020180 is about 35299.0110343052. The cubic root of 1246020180 is about 1076.0728945977.

It can be divided in two parts, 12460 and 20180, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 1246020180 in words is "one billion, two hundred forty-six million, twenty thousand, one hundred eighty".