1125751 has 8 divisors (see below), whose sum is σ = 1270800. Its totient is φ = 987840.

The previous prime is 1125739. The next prime is 1125763. The reversal of 1125751 is 1575211.

It is an interprime number because it is at equal distance from previous prime (1125739) and next prime (1125763).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125751 is a prime.

It is a pancake number, because a pancake can be divided into 1125751 parts by 1500 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125701) 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, 1446 + ... + 2083.

It is an arithmetic number, because the mean of its divisors is an integer number (158850).

2^1125751 is an apocalyptic number.

1125751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1125751 is the 475-th centered decagonal number.

1125751 is a deficient number, since it is larger than the sum of its proper divisors (145049).

1125751 is a wasteful number, since it uses less digits than its factorization.

1125751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569.

The product of its digits is 350, while the sum is 22.

The square root of 1125751 is about 1061.0141375118. The cubic root of 1125751 is about 104.0273288633.

The spelling of 1125751 in words is "one million, one hundred twenty-five thousand, seven hundred fifty-one".