101298389 has 2 divisors, whose sum is σ = 101298390. Its totient is φ = 101298388.

The previous prime is 101298313. The next prime is 101298409. The reversal of 101298389 is 983892101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101103025 + 195364 = 10055^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 101298389 - 2¹² = 101294293 is a prime.

It is a super-2 number, since 2×101298389² = 20522727227990642, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101298089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50649194 + 50649195.

It is an arithmetic number, because the mean of its divisors is an integer number (50649195).

Almost surely, 2^101298389 is an apocalyptic number.

It is an amenable number.

101298389 is a deficient number, since it is larger than the sum of its proper divisors (1).

101298389 is an equidigital number, since it uses as much as digits as its factorization.

101298389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 101298389 is about 10064.7100802755. The cubic root of 101298389 is about 466.1591138820.

The spelling of 101298389 in words is "one hundred one million, two hundred ninety-eight thousand, three hundred eighty-nine".