1125120102553 has 8 divisors (see below), whose sum is σ = 1133241157440. Its totient is φ = 1116999428880.

The previous prime is 1125120102551. The next prime is 1125120102559. The reversal of 1125120102553 is 3552010215211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1125120102553 - 2¹ = 1125120102551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125120102551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8833743 + ... + 8960203.

It is an arithmetic number, because the mean of its divisors is an integer number (141655144680).

Almost surely, 2^{1125120102553} is an apocalyptic number.

It is an amenable number.

1125120102553 is a deficient number, since it is larger than the sum of its proper divisors (8121054887).

1125120102553 is a wasteful number, since it uses less digits than its factorization.

1125120102553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190607.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 1125120102553 its reverse (3552010215211), we get a palindrome (4677130317764).

The spelling of 1125120102553 in words is "one trillion, one hundred twenty-five billion, one hundred twenty million, one hundred two thousand, five hundred fifty-three".