1125200520323 has 16 divisors (see below), whose sum is σ = 1322145052800. Its totient is φ = 946535647680.

The previous prime is 1125200520263. The next prime is 1125200520401. The reversal of 1125200520323 is 3230250025211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1125200520323 - 2¹⁴ = 1125200503939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125200520292 and 1125200520301.

It is not an unprimeable number, because it can be changed into a prime (1125200520923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62592578 + ... + 62610551.

It is an arithmetic number, because the mean of its divisors is an integer number (82634065800).

Almost surely, 2^{1125200520323} is an apocalyptic number.

1125200520323 is a deficient number, since it is larger than the sum of its proper divisors (196944532477).

1125200520323 is a wasteful number, since it uses less digits than its factorization.

1125200520323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125203202.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1125200520323 its reverse (3230250025211), we get a palindrome (4355450545534).

The spelling of 1125200520323 in words is "one trillion, one hundred twenty-five billion, two hundred million, five hundred twenty thousand, three hundred twenty-three".