101223025 has 6 divisors (see below), whose sum is σ = 125516582. Its totient is φ = 80978400.

The previous prime is 101223019. The next prime is 101223037. The reversal of 101223025 is 520322101.

It can be written as a sum of positive squares in 3 ways, for example, as 1062961 + 100160064 = 1031^2 + 10008^2 .

It is not a de Polignac number, because 101223025 - 2¹⁹ = 100698737 is a prime.

It is a super-2 number, since 2×101223025² = 20492201580301250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2024436 + ... + 2024485.

Almost surely, 2^101223025 is an apocalyptic number.

It is an amenable number.

101223025 is a deficient number, since it is larger than the sum of its proper divisors (24293557).

101223025 is an equidigital number, since it uses as much as digits as its factorization.

101223025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048931 (or 4048926 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 101223025 is about 10060.9654109335. The cubic root of 101223025 is about 466.0434808109.

Adding to 101223025 its reverse (520322101), we get a palindrome (621545126).

The spelling of 101223025 in words is "one hundred one million, two hundred twenty-three thousand, twenty-five".