1006157 has 4 divisors (see below), whose sum is σ = 1029600. Its totient is φ = 982716.

The previous prime is 1006153. The next prime is 1006163. The reversal of 1006157 is 7516001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1006157 - 2² = 1006153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006151) 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, 11657 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

2^1006157 is an apocalyptic number.

It is an amenable number.

1006157 is a deficient number, since it is larger than the sum of its proper divisors (23443).

1006157 is an equidigital number, since it uses as much as digits as its factorization.

1006157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1006157 is about 1003.0737759507. The cubic root of 1006157 is about 100.2048135610.

The spelling of 1006157 in words is "one million, six thousand, one hundred fifty-seven".