1012101225 has 24 divisors (see below), whose sum is σ = 1674580320. Its totient is φ = 539387520.

The previous prime is 1012101179. The next prime is 1012101257. The reversal of 1012101225 is 5221012101.

1012101225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012101225 - 2⁶ = 1012101161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116482 + ... + 124868.

It is an arithmetic number, because the mean of its divisors is an integer number (69774180).

Almost surely, 2^1012101225 is an apocalyptic number.

1012101225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012101225 is a deficient number, since it is larger than the sum of its proper divisors (662479095).

1012101225 is a wasteful number, since it uses less digits than its factorization.

1012101225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009 (or 10004 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1012101225 is about 31813.5383916973. The cubic root of 1012101225 is about 1004.0175791089.

Adding to 1012101225 its reverse (5221012101), we get a palindrome (6233113326).

The spelling of 1012101225 in words is "one billion, twelve million, one hundred one thousand, two hundred twenty-five".