1207977472 has 80 divisors (see below), whose sum is σ = 2627456832. Its totient is φ = 551485440.

The previous prime is 1207977467. The next prime is 1207977479. The reversal of 1207977472 is 2747797021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207977479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644697 + ... + 646567.

Almost surely, 2^1207977472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1207977472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313728416).

1207977472 is an abundant number, since it is smaller than the sum of its proper divisors (1419479360).

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

1207977472 is an equidigital number, since it uses as much as digits as its factorization.

1207977472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 46.

The square root of 1207977472 is about 34755.9703072724. The cubic root of 1207977472 is about 1065.0081837925.

The spelling of 1207977472 in words is "one billion, two hundred seven million, nine hundred seventy-seven thousand, four hundred seventy-two".