1125416001 has 4 divisors (see below), whose sum is σ = 1500554672. Its totient is φ = 750277332.

The previous prime is 1125415931. The next prime is 1125416041. The reversal of 1125416001 is 1006145211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1006145211 = 3 ⋅335381737.

It is not a de Polignac number, because 1125416001 - 2²³ = 1117027393 is a prime.

It is a super-2 number, since 2×1125416001² = 2533122350613664002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125416041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187569331 + ... + 187569336.

It is an arithmetic number, because the mean of its divisors is an integer number (375138668).

Almost surely, 2^1125416001 is an apocalyptic number.

It is an amenable number.

1125416001 is a deficient number, since it is larger than the sum of its proper divisors (375138671).

1125416001 is an equidigital number, since it uses as much as digits as its factorization.

1125416001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375138670.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1125416001 is about 33547.2204660833. The cubic root of 1125416001 is about 1040.1700908317.

The spelling of 1125416001 in words is "one billion, one hundred twenty-five million, four hundred sixteen thousand, one".