1200899464 has 8 divisors (see below), whose sum is σ = 2251686510. Its totient is φ = 600449728.

The previous prime is 1200899459. The next prime is 1200899473. The reversal of 1200899464 is 4649980021.

It can be written as a sum of positive squares in only one way, i.e., 1129632100 + 71267364 = 33610^2 + 8442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1200899464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75056209 + ... + 75056224.

Almost surely, 2^1200899464 is an apocalyptic number.

It is an amenable number.

1200899464 is a deficient number, since it is larger than the sum of its proper divisors (1050787046).

1200899464 is a wasteful number, since it uses less digits than its factorization.

1200899464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150112439 (or 150112435 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1200899464 is about 34653.9963640559. The cubic root of 1200899464 is about 1062.9240092974.

The spelling of 1200899464 in words is "one billion, two hundred million, eight hundred ninety-nine thousand, four hundred sixty-four".