1298045 has 8 divisors (see below), whose sum is σ = 1780224. Its totient is φ = 890064.

The previous prime is 1298039. The next prime is 1298047. The reversal of 1298045 is 5408921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1298045 - 2¹² = 1293949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1297999 and 1298017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18509 + ... + 18578.

It is an arithmetic number, because the mean of its divisors is an integer number (222528).

2^1298045 is an apocalyptic number.

It is an amenable number.

1298045 is a deficient number, since it is larger than the sum of its proper divisors (482179).

1298045 is an equidigital number, since it uses as much as digits as its factorization.

1298045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37099.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1298045 is about 1139.3177783217. The cubic root of 1298045 is about 109.0845512919.

The spelling of 1298045 in words is "one million, two hundred ninety-eight thousand, forty-five".