101125553 has 2 divisors, whose sum is σ = 101125554. Its totient is φ = 101125552.

The previous prime is 101125517. The next prime is 101125589. The reversal of 101125553 is 355521101.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (101125517) and next prime (101125589).

It can be written as a sum of positive squares in only one way, i.e., 80586529 + 20539024 = 8977^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 101125553 - 2⁶ = 101125489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101125753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50562776 + 50562777.

It is an arithmetic number, because the mean of its divisors is an integer number (50562777).

Almost surely, 2^101125553 is an apocalyptic number.

It is an amenable number.

101125553 is a deficient number, since it is larger than the sum of its proper divisors (1).

101125553 is an equidigital number, since it uses as much as digits as its factorization.

101125553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 101125553 is about 10056.1201762907. The cubic root of 101125553 is about 465.8938416719.

Adding to 101125553 its reverse (355521101), we get a palindrome (456646654).

The spelling of 101125553 in words is "one hundred one million, one hundred twenty-five thousand, five hundred fifty-three".