1145970 has 96 divisors (see below), whose sum is σ = 3639168. Its totient is φ = 244224.

The previous prime is 1145899. The next prime is 1145971. The reversal of 1145970 is 795411.

It is not an unprimeable number, because it can be changed into a prime (1145971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10657 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (37908).

2^1145970 is an apocalyptic number.

1145970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 1070×1071.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819584).

1145970 is an abundant number, since it is smaller than the sum of its proper divisors (2493198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145970 is a wasteful number, since it uses less digits than its factorization.

1145970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1145970 is about 1070.4998832321. The cubic root of 1145970 is about 104.6464297946.

It can be divided in two parts, 114 and 5970, that added together give a square (6084 = 78²).

The spelling of 1145970 in words is "one million, one hundred forty-five thousand, nine hundred seventy".