102501049 has 4 divisors (see below), whose sum is σ = 117144064. Its totient is φ = 87858036.

The previous prime is 102501043. The next prime is 102501073. The reversal of 102501049 is 940105201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102501049 - 2⁵ = 102501017 is a prime.

It is a super-2 number, since 2×102501049² = 21012930092200802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102501043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7321497 + ... + 7321510.

It is an arithmetic number, because the mean of its divisors is an integer number (29286016).

Almost surely, 2^102501049 is an apocalyptic number.

It is an amenable number.

102501049 is a deficient number, since it is larger than the sum of its proper divisors (14643015).

102501049 is an equidigital number, since it uses as much as digits as its factorization.

102501049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14643014.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 102501049 is about 10124.2801719431. The cubic root of 102501049 is about 467.9966776617.

The spelling of 102501049 in words is "one hundred two million, five hundred one thousand, forty-nine".