1145870 has 24 divisors (see below), whose sum is σ = 2269512. Its totient is φ = 416240.

The previous prime is 1145849. The next prime is 1145873. The reversal of 1145870 is 785411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145873) 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, 737 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (94563).

2^1145870 is an apocalyptic number.

1145870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145870 is a deficient number, since it is larger than the sum of its proper divisors (1123642).

1145870 is a wasteful number, since it uses less digits than its factorization.

1145870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1145870 is about 1070.4531750619. The cubic root of 1145870 is about 104.6433858093.

The spelling of 1145870 in words is "one million, one hundred forty-five thousand, eight hundred seventy".