1125151761 has 8 divisors (see below), whose sum is σ = 1500358464. Its totient is φ = 750023120.

The previous prime is 1125151757. The next prime is 1125151829. The reversal of 1125151761 is 1671515211.

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

It is a cyclic number.

It is not a de Polignac number, because 1125151761 - 2² = 1125151757 is a prime.

It is a super-2 number, since 2×1125151761² = 2531932970562802242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125151711) 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, 40396 + ... + 62306.

It is an arithmetic number, because the mean of its divisors is an integer number (187544808).

Almost surely, 2^1125151761 is an apocalyptic number.

It is an amenable number.

1125151761 is a deficient number, since it is larger than the sum of its proper divisors (375206703).

1125151761 is a wasteful number, since it uses less digits than its factorization.

1125151761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39031.

The product of its digits is 2100, while the sum is 30.

The square root of 1125151761 is about 33543.2819056216. The cubic root of 1125151761 is about 1040.0886761789.

Adding to 1125151761 its reverse (1671515211), we get a palindrome (2796666972).

The spelling of 1125151761 in words is "one billion, one hundred twenty-five million, one hundred fifty-one thousand, seven hundred sixty-one".