101250245 has 4 divisors (see below), whose sum is σ = 121500300. Its totient is φ = 81000192.

The previous prime is 101250161. The next prime is 101250257. The reversal of 101250245 is 542052101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542052101 = 79 ⋅6861419.

It can be written as a sum of positive squares in 2 ways, for example, as 80874049 + 20376196 = 8993^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 101250245 - 2¹⁰ = 101249221 is a prime.

It is a super-2 number, since 2×101250245² = 20503224225120050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10125020 + ... + 10125029.

It is an arithmetic number, because the mean of its divisors is an integer number (30375075).

Almost surely, 2^101250245 is an apocalyptic number.

It is an amenable number.

101250245 is a deficient number, since it is larger than the sum of its proper divisors (20250055).

101250245 is an equidigital number, since it uses as much as digits as its factorization.

101250245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20250054.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 101250245 is about 10062.3180728896. The cubic root of 101250245 is about 466.0852518295.

The spelling of 101250245 in words is "one hundred one million, two hundred fifty thousand, two hundred forty-five".