102494761 has 2 divisors, whose sum is σ = 102494762. Its totient is φ = 102494760.

The previous prime is 102494731. The next prime is 102494779. The reversal of 102494761 is 167494201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 5669161 = 9840^2 + 2381^2 .

It is a cyclic number.

It is not a de Polignac number, because 102494761 - 2¹¹ = 102492713 is a prime.

It is not a weakly prime, because it can be changed into another prime (102494731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51247380 + 51247381.

It is an arithmetic number, because the mean of its divisors is an integer number (51247381).

Almost surely, 2^102494761 is an apocalyptic number.

It is an amenable number.

102494761 is a deficient number, since it is larger than the sum of its proper divisors (1).

102494761 is an equidigital number, since it uses as much as digits as its factorization.

102494761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 102494761 is about 10123.9696265842. The cubic root of 102494761 is about 467.9871076026.

The spelling of 102494761 in words is "one hundred two million, four hundred ninety-four thousand, seven hundred sixty-one".