1299120 has 40 divisors (see below), whose sum is σ = 4028016. Its totient is φ = 346368.

The previous prime is 1299101. The next prime is 1299143. The reversal of 1299120 is 219921.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 2946.

2^1299120 is an apocalyptic number.

1299120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1299120 is an abundant number, since it is smaller than the sum of its proper divisors (2728896).

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

1299120 is a wasteful number, since it uses less digits than its factorization.

1299120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1299120 is about 1139.7894542414. The cubic root of 1299120 is about 109.1146564464.

The spelling of 1299120 in words is "one million, two hundred ninety-nine thousand, one hundred twenty".