102940498 has 4 divisors (see below), whose sum is σ = 154410750. Its totient is φ = 51470248.

The previous prime is 102940493. The next prime is 102940507. The reversal of 102940498 is 894049201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 894049201 = 1019 ⋅877379.

It can be written as a sum of positive squares in only one way, i.e., 78269409 + 24671089 = 8847^2 + 4967^2 .

It is a super-2 number, since 2×102940498² = 21193492256976008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102940493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25735123 + ... + 25735126.

Almost surely, 2^102940498 is an apocalyptic number.

102940498 is a deficient number, since it is larger than the sum of its proper divisors (51470252).

102940498 is an equidigital number, since it uses as much as digits as its factorization.

102940498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51470251.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 102940498 is about 10145.9596884671. The cubic root of 102940498 is about 468.6645324946.

Adding to 102940498 its reverse (894049201), we get a palindrome (996989699).

The spelling of 102940498 in words is "one hundred two million, nine hundred forty thousand, four hundred ninety-eight".