1199253648 has 80 divisors (see below), whose sum is σ = 3137745600. Its totient is φ = 394667520.

The previous prime is 1199253641. The next prime is 1199253659. The reversal of 1199253648 is 8463529911.

It is a super-3 number, since 3×1199253648³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1199253597 and 1199253606.

It is not an unprimeable number, because it can be changed into a prime (1199253641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691118 + ... + 1691826.

It is an arithmetic number, because the mean of its divisors is an integer number (39221820).

Almost surely, 2^1199253648 is an apocalyptic number.

It is an amenable number.

1199253648 is an abundant number, since it is smaller than the sum of its proper divisors (1938491952).

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

1199253648 is a wasteful number, since it uses less digits than its factorization.

1199253648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1114 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 1199253648 is about 34630.2418126123. The cubic root of 1199253648 is about 1062.4382131175.

The spelling of 1199253648 in words is "one billion, one hundred ninety-nine million, two hundred fifty-three thousand, six hundred forty-eight".