1260099 has 12 divisors (see below), whose sum is σ = 1916200. Its totient is φ = 795744.

The previous prime is 1260067. The next prime is 1260113. The reversal of 1260099 is 9900621.

It is a happy number.

It is not a de Polignac number, because 1260099 - 2⁵ = 1260067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3514 + ... + 3855.

2^1260099 is an apocalyptic number.

1260099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1260099 is a deficient number, since it is larger than the sum of its proper divisors (656101).

1260099 is a wasteful number, since it uses less digits than its factorization.

1260099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394 (or 7391 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1260099 is about 1122.5413132709. The cubic root of 1260099 is about 108.0110585384.

It can be divided in two parts, 1 and 260099, that added together give a square (260100 = 510²).

The spelling of 1260099 in words is "one million, two hundred sixty thousand, ninety-nine".