1125951245 has 8 divisors (see below), whose sum is σ = 1397732760. Its totient is φ = 869700160.

The previous prime is 1125951161. The next prime is 1125951247. The reversal of 1125951245 is 5421595211.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 1125065764 = 941^2 + 33542^2 .

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

It is not a de Polignac number, because 1125951245 - 2²⁶ = 1058842381 is a prime.

It is a super-2 number, since 2×1125951245² = 2535532412234100050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125951247) 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, 3882446 + ... + 3882735.

It is an arithmetic number, because the mean of its divisors is an integer number (174716595).

Almost surely, 2^1125951245 is an apocalyptic number.

It is an amenable number.

1125951245 is a deficient number, since it is larger than the sum of its proper divisors (271781515).

1125951245 is an equidigital number, since it uses as much as digits as its factorization.

1125951245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7765215.

The product of its digits is 18000, while the sum is 35.

The square root of 1125951245 is about 33555.1969894382. The cubic root of 1125951245 is about 1040.3349651422.

The spelling of 1125951245 in words is "one billion, one hundred twenty-five million, nine hundred fifty-one thousand, two hundred forty-five".