1140651 has 6 divisors (see below), whose sum is σ = 1647620. Its totient is φ = 760428.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140651 is 1560411.

1140651 = 118² + 119² + ... + 171².

1140651 is a `hidden beast` number, since 1 + 14 + 0 + 651 = 666.

It is not a de Polignac number, because 1140651 - 2⁵ = 1140619 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1140611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63361 + ... + 63378.

2^1140651 is an apocalyptic number.

1140651 is a deficient number, since it is larger than the sum of its proper divisors (506969).

1140651 is a wasteful number, since it uses less digits than its factorization.

1140651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126745 (or 126742 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1140651 is about 1068.0126403746. The cubic root of 1140651 is about 104.4842737871.

The spelling of 1140651 in words is "one million, one hundred forty thousand, six hundred fifty-one".