1145270 has 16 divisors (see below), whose sum is σ = 2356128. Its totient is φ = 392640.

The previous prime is 1145269. The next prime is 1145281. The reversal of 1145270 is 725411.

It is a congruent number.

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, 8111 + ... + 8250.

It is an arithmetic number, because the mean of its divisors is an integer number (147258).

2^1145270 is an apocalyptic number.

1145270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145270 is an abundant number, since it is smaller than the sum of its proper divisors (1210858).

1145270 is a wasteful number, since it uses less digits than its factorization.

1145270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16375.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1145270 is about 1070.1728832296. The cubic root of 1145270 is about 104.6251181776.

The spelling of 1145270 in words is "one million, one hundred forty-five thousand, two hundred seventy".