1157434 has 8 divisors (see below), whose sum is σ = 1783188. Its totient is φ = 563040.

The previous prime is 1157413. The next prime is 1157437. The reversal of 1157434 is 4347511.

It can be written as a sum of positive squares in 2 ways, for example, as 801025 + 356409 = 895^2 + 597^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1157399 and 1157408.

It is not an unprimeable number, because it can be changed into a prime (1157437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7747 + ... + 7894.

2^1157434 is an apocalyptic number.

1157434 is a deficient number, since it is larger than the sum of its proper divisors (625754).

1157434 is a wasteful number, since it uses less digits than its factorization.

1157434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680.

The product of its digits is 1680, while the sum is 25.

The square root of 1157434 is about 1075.8410663290. The cubic root of 1157434 is about 104.9942249280.

The spelling of 1157434 in words is "one million, one hundred fifty-seven thousand, four hundred thirty-four".