1409256120 has 32 divisors (see below), whose sum is σ = 4227768720. Its totient is φ = 375801600.

The previous prime is 1409256103. The next prime is 1409256127. The reversal of 1409256120 is 216529041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409256127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5871781 + ... + 5872020.

Almost surely, 2^1409256120 is an apocalyptic number.

1409256120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1409256120 is an abundant number, since it is smaller than the sum of its proper divisors (2818512600).

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

1409256120 is a wasteful number, since it uses less digits than its factorization.

1409256120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743815 (or 11743811 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1409256120 is about 37540.0602024024. The cubic root of 1409256120 is about 1121.1489378953.

The spelling of 1409256120 in words is "one billion, four hundred nine million, two hundred fifty-six thousand, one hundred twenty".