102541481 has 4 divisors (see below), whose sum is σ = 117190272. Its totient is φ = 87892692.

The previous prime is 102541463. The next prime is 102541487. The reversal of 102541481 is 184145201.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102541481 is a prime.

It is a super-2 number, since 2×102541481² = 21029510651346722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102541481.

It is not an unprimeable number, because it can be changed into a prime (102541487) 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, 7324385 + ... + 7324398.

It is an arithmetic number, because the mean of its divisors is an integer number (29297568).

Almost surely, 2^102541481 is an apocalyptic number.

It is an amenable number.

102541481 is a deficient number, since it is larger than the sum of its proper divisors (14648791).

102541481 is an equidigital number, since it uses as much as digits as its factorization.

102541481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648790.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 102541481 is about 10126.2767590067. The cubic root of 102541481 is about 468.0582040377.

Adding to 102541481 its reverse (184145201), we get a palindrome (286686682).

The spelling of 102541481 in words is "one hundred two million, five hundred forty-one thousand, four hundred eighty-one".