1125461951 has 8 divisors (see below), whose sum is σ = 1151354160. Its totient is φ = 1099852992.

The previous prime is 1125461927. The next prime is 1125461977. The reversal of 1125461951 is 1591645211.

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-1125461951 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 (1125460951) 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, 62765 + ... + 78678.

It is an arithmetic number, because the mean of its divisors is an integer number (143919270).

Almost surely, 2^1125461951 is an apocalyptic number.

1125461951 is a deficient number, since it is larger than the sum of its proper divisors (25892209).

1125461951 is a wasteful number, since it uses less digits than its factorization.

1125461951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141625.

The product of its digits is 10800, while the sum is 35.

The square root of 1125461951 is about 33547.9053146392. The cubic root of 1125461951 is about 1040.1842471274.

The spelling of 1125461951 in words is "one billion, one hundred twenty-five million, four hundred sixty-one thousand, nine hundred fifty-one".