102261073 has 2 divisors, whose sum is σ = 102261074. Its totient is φ = 102261072.

The previous prime is 102261053. The next prime is 102261079. The reversal of 102261073 is 370162201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63473089 + 38787984 = 7967^2 + 6228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102261073 is a prime.

It is a super-2 number, since 2×102261073² = 20914654102222658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102261079) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51130536 + 51130537.

It is an arithmetic number, because the mean of its divisors is an integer number (51130537).

Almost surely, 2^102261073 is an apocalyptic number.

It is an amenable number.

102261073 is a deficient number, since it is larger than the sum of its proper divisors (1).

102261073 is an equidigital number, since it uses as much as digits as its factorization.

102261073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 102261073 is about 10112.4217178676. The cubic root of 102261073 is about 467.6311668325.

The spelling of 102261073 in words is "one hundred two million, two hundred sixty-one thousand, seventy-three".