102774641 has 8 divisors (see below), whose sum is σ = 108958464. Its totient is φ = 96770160.

The previous prime is 102774631. The next prime is 102774653. The reversal of 102774641 is 146477201.

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

It is a cyclic number.

It is not a de Polignac number, because 102774641 - 2¹⁸ = 102512497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102774598 and 102774607.

It is not an unprimeable number, because it can be changed into a prime (102774611) 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, 43655 + ... + 45948.

It is an arithmetic number, because the mean of its divisors is an integer number (13619808).

Almost surely, 2^102774641 is an apocalyptic number.

It is an amenable number.

102774641 is a deficient number, since it is larger than the sum of its proper divisors (6183823).

102774641 is an equidigital number, since it uses as much as digits as its factorization.

102774641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89671.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 102774641 is about 10137.7828443896. The cubic root of 102774641 is about 468.4126942030.

The spelling of 102774641 in words is "one hundred two million, seven hundred seventy-four thousand, six hundred forty-one".