1201470720 has 144 divisors (see below), whose sum is σ = 3961370112. Its totient is φ = 310026240.

The previous prime is 1201470709. The next prime is 1201470761. The reversal of 1201470720 is 270741021.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 113994 + ... + 124086.

Almost surely, 2^1201470720 is an apocalyptic number.

1201470720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980685056).

1201470720 is an abundant number, since it is smaller than the sum of its proper divisors (2759899392).

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

1201470720 is a wasteful number, since it uses less digits than its factorization.

1201470720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10134 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 1201470720 is about 34662.2376657942. The cubic root of 1201470720 is about 1063.0925233936.

The spelling of 1201470720 in words is "one billion, two hundred one million, four hundred seventy thousand, seven hundred twenty".