1157670 has 48 divisors (see below), whose sum is σ = 3173040. Its totient is φ = 292032.

The previous prime is 1157669. The next prime is 1157671. The reversal of 1157670 is 767511.

It is an interprime number because it is at equal distance from previous prime (1157669) and next prime (1157671).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1372 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (66105).

2^1157670 is an apocalyptic number.

1157670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586520).

1157670 is an abundant number, since it is smaller than the sum of its proper divisors (2015370).

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

1157670 is a wasteful number, since it uses less digits than its factorization.

1157670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 1157670 is about 1075.9507423670. The cubic root of 1157670 is about 105.0013605266.

The spelling of 1157670 in words is "one million, one hundred fifty-seven thousand, six hundred seventy".