1125220522 has 8 divisors (see below), whose sum is σ = 1688165316. Its totient is φ = 562498752.

The previous prime is 1125220519. The next prime is 1125220543. The reversal of 1125220522 is 2250225211.

It can be written as a sum of positive squares in 2 ways, for example, as 1124998681 + 221841 = 33541^2 + 471^2 .

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

It is a super-2 number, since 2×1125220522² = 2532242446259904968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125220493 and 1125220502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42513 + ... + 63700.

Almost surely, 2^1125220522 is an apocalyptic number.

1125220522 is a deficient number, since it is larger than the sum of its proper divisors (562944794).

1125220522 is a wasteful number, since it uses less digits than its factorization.

1125220522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111512.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1125220522 is about 33544.3068493001. The cubic root of 1125220522 is about 1040.1098632706.

Adding to 1125220522 its reverse (2250225211), we get a palindrome (3375445733).

The spelling of 1125220522 in words is "one billion, one hundred twenty-five million, two hundred twenty thousand, five hundred twenty-two".