1157061 has 16 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 718080.

The previous prime is 1157059. The next prime is 1157063. The reversal of 1157061 is 1607511.

It is an interprime number because it is at equal distance from previous prime (1157059) and next prime (1157063).

It is not a de Polignac number, because 1157061 - 2¹ = 1157059 is a prime.

1157061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1157061 is an apocalyptic number.

It is an amenable number.

1157061 is a deficient number, since it is larger than the sum of its proper divisors (496059).

1157061 is a wasteful number, since it uses less digits than its factorization.

1157061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1157061 is about 1075.6676996173. The cubic root of 1157061 is about 104.9829450758.

The spelling of 1157061 in words is "one million, one hundred fifty-seven thousand, sixty-one".