1093157970 has 128 divisors (see below), whose sum is σ = 3004128000. Its totient is φ = 252813312.

The previous prime is 1093157963. The next prime is 1093157977. The reversal of 1093157970 is 797513901.

It is an interprime number because it is at equal distance from previous prime (1093157963) and next prime (1093157977).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1093157977) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 357006 + ... + 360054.

It is an arithmetic number, because the mean of its divisors is an integer number (23469750).

Almost surely, 2^1093157970 is an apocalyptic number.

1093157970 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 1093157970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502064000).

1093157970 is an abundant number, since it is smaller than the sum of its proper divisors (1910970030).

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

1093157970 is a wasteful number, since it uses less digits than its factorization.

1093157970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132.

The product of its (nonzero) digits is 59535, while the sum is 42.

The square root of 1093157970 is about 33062.9395244887. The cubic root of 1093157970 is about 1030.1353923884.

The spelling of 1093157970 in words is "one billion, ninety-three million, one hundred fifty-seven thousand, nine hundred seventy".