1157930 has 8 divisors (see below), whose sum is σ = 2084292. Its totient is φ = 463168.

The previous prime is 1157929. The next prime is 1157953. The reversal of 1157930 is 397511.

It can be written as a sum of positive squares in 2 ways, for example, as 954529 + 203401 = 977^2 + 451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157930.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57887 + ... + 57906.

2^1157930 is an apocalyptic number.

1157930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157930 is a deficient number, since it is larger than the sum of its proper divisors (926362).

1157930 is a wasteful number, since it uses less digits than its factorization.

1157930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115800.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1157930 is about 1076.0715589588. The cubic root of 1157930 is about 105.0092206566.

The spelling of 1157930 in words is "one million, one hundred fifty-seven thousand, nine hundred thirty".