1140751 has 4 divisors (see below), whose sum is σ = 1207872. Its totient is φ = 1073632.

The previous prime is 1140749. The next prime is 1140787. The reversal of 1140751 is 1570411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1570411 = 47 ⋅33413.

It is a cyclic number.

It is not a de Polignac number, because 1140751 - 2¹ = 1140749 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 (1140721) 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, 33535 + ... + 33568.

It is an arithmetic number, because the mean of its divisors is an integer number (301968).

2^1140751 is an apocalyptic number.

1140751 is the 676-th centered pentagonal number.

1140751 is a deficient number, since it is larger than the sum of its proper divisors (67121).

1140751 is an equidigital number, since it uses as much as digits as its factorization.

1140751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67120.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1140751 is about 1068.0594552739. The cubic root of 1140751 is about 104.4873270500.

It can be divided in two parts, 1140 and 751, that added together give a triangular number (1891 = T₆₁).

The spelling of 1140751 in words is "one million, one hundred forty thousand, seven hundred fifty-one".