102293969 has 4 divisors (see below), whose sum is σ = 103348644. Its totient is φ = 101239296.

The previous prime is 102293963. The next prime is 102293987. The reversal of 102293969 is 969392201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969392201 = 23 ⋅42147487.

It can be written as a sum of positive squares in 2 ways, for example, as 32069569 + 70224400 = 5663^2 + 8380^2 .

It is a cyclic number.

It is not a de Polignac number, because 102293969 - 2⁴ = 102293953 is a prime.

It is a super-2 number, since 2×102293969² = 20928112187545922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102293963) 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, 527192 + ... + 527385.

It is an arithmetic number, because the mean of its divisors is an integer number (25837161).

Almost surely, 2^102293969 is an apocalyptic number.

It is an amenable number.

102293969 is a deficient number, since it is larger than the sum of its proper divisors (1054675).

102293969 is an equidigital number, since it uses as much as digits as its factorization.

102293969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054674.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 102293969 is about 10114.0481015269. The cubic root of 102293969 is about 467.6813049909.

The spelling of 102293969 in words is "one hundred two million, two hundred ninety-three thousand, nine hundred sixty-nine".