1051445125 has 16 divisors (see below), whose sum is σ = 1314426672. Its totient is φ = 839731200.

The previous prime is 1051445113. The next prime is 1051445147. The reversal of 1051445125 is 5215441501.

It can be written as a sum of positive squares in 8 ways, for example, as 547981281 + 503463844 = 23409^2 + 22438^2 .

It is not a de Polignac number, because 1051445125 - 2⁹ = 1051444613 is a prime.

It is a super-2 number, since 2×1051445125² = 2211073701772531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051445093 and 1051445102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70309 + ... + 83941.

It is an arithmetic number, because the mean of its divisors is an integer number (82151667).

Almost surely, 2^1051445125 is an apocalyptic number.

It is an amenable number.

1051445125 is a deficient number, since it is larger than the sum of its proper divisors (262981547).

1051445125 is an equidigital number, since it uses as much as digits as its factorization.

1051445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265 (or 14255 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1051445125 is about 32425.9945876761. The cubic root of 1051445125 is about 1016.8624350528.

Adding to 1051445125 its reverse (5215441501), we get a palindrome (6266886626).

The spelling of 1051445125 in words is "one billion, fifty-one million, four hundred forty-five thousand, one hundred twenty-five".