1299152 has 10 divisors (see below), whose sum is σ = 2517138. Its totient is φ = 649568.

The previous prime is 1299143. The next prime is 1299169. The reversal of 1299152 is 2519921.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 141376 = 1076^2 + 376^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40583 + ... + 40614.

2^1299152 is an apocalyptic number.

It is an amenable number.

1299152 is a deficient number, since it is larger than the sum of its proper divisors (1217986).

1299152 is an equidigital number, since it uses as much as digits as its factorization.

1299152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81205 (or 81199 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 1299152 is about 1139.8034918353. The cubic root of 1299152 is about 109.1155523452.

The spelling of 1299152 in words is "one million, two hundred ninety-nine thousand, one hundred fifty-two".