1245275 has 6 divisors (see below), whose sum is σ = 1544172. Its totient is φ = 996200.

The previous prime is 1245227. The next prime is 1245281. The reversal of 1245275 is 5725421.

It is not a de Polignac number, because 1245275 - 2⁸ = 1245019 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24881 + ... + 24930.

It is an arithmetic number, because the mean of its divisors is an integer number (257362).

2^1245275 is an apocalyptic number.

1245275 is a deficient number, since it is larger than the sum of its proper divisors (298897).

1245275 is an equidigital number, since it uses as much as digits as its factorization.

1245275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49821 (or 49816 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 1245275 is about 1115.9189038635. The cubic root of 1245275 is about 107.5858337370.

The spelling of 1245275 in words is "one million, two hundred forty-five thousand, two hundred seventy-five".