1157007 has 8 divisors (see below), whose sum is σ = 1556784. Its totient is φ = 764288.

The previous prime is 1156997. The next prime is 1157011. The reversal of 1157007 is 7007511.

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

It is a cyclic number.

It is not a de Polignac number, because 1157007 - 2⁸ = 1156751 is a prime.

1157007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (194598).

2^1157007 is an apocalyptic number.

1157007 is a deficient number, since it is larger than the sum of its proper divisors (399777).

1157007 is a wasteful number, since it uses less digits than its factorization.

1157007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 1157007 is about 1075.6425986358. The cubic root of 1157007 is about 104.9813118668.

The spelling of 1157007 in words is "one million, one hundred fifty-seven thousand, seven".