102450261 has 8 divisors (see below), whose sum is σ = 143789920. Its totient is φ = 64705392.

The previous prime is 102450251. The next prime is 102450269. The reversal of 102450261 is 162054201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102450261 - 2⁶ = 102450197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102450269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898630 + ... + 898743.

It is an arithmetic number, because the mean of its divisors is an integer number (17973740).

Almost surely, 2^102450261 is an apocalyptic number.

It is an amenable number.

102450261 is a deficient number, since it is larger than the sum of its proper divisors (41339659).

102450261 is a wasteful number, since it uses less digits than its factorization.

102450261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797395.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102450261 is about 10121.7716334642. The cubic root of 102450261 is about 467.9193693731.

The spelling of 102450261 in words is "one hundred two million, four hundred fifty thousand, two hundred sixty-one".