1125165762 has 64 divisors (see below), whose sum is σ = 2892072960. Its totient is φ = 317593872.

The previous prime is 1125165761. The next prime is 1125165763. The reversal of 1125165762 is 2675615211.

It is an interprime number because it is at equal distance from previous prime (1125165761) and next prime (1125165763).

It is not an unprimeable number, because it can be changed into a prime (1125165761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13443 + ... + 49305.

It is an arithmetic number, because the mean of its divisors is an integer number (45188640).

Almost surely, 2^1125165762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125165762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446036480).

1125165762 is an abundant number, since it is smaller than the sum of its proper divisors (1766907198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125165762 is a wasteful number, since it uses less digits than its factorization.

1125165762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35964 (or 35958 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 1125165762 is about 33543.4906054811. The cubic root of 1125165762 is about 1040.0929903291.

The spelling of 1125165762 in words is "one billion, one hundred twenty-five million, one hundred sixty-five thousand, seven hundred sixty-two".