101234491 has 2 divisors, whose sum is σ = 101234492. Its totient is φ = 101234490.

The previous prime is 101234467. The next prime is 101234531. The reversal of 101234491 is 194432101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101234491 - 2⁷ = 101234363 is a prime.

It is not a weakly prime, because it can be changed into another prime (101234411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50617245 + 50617246.

It is an arithmetic number, because the mean of its divisors is an integer number (50617246).

Almost surely, 2^101234491 is an apocalyptic number.

101234491 is a deficient number, since it is larger than the sum of its proper divisors (1).

101234491 is an equidigital number, since it uses as much as digits as its factorization.

101234491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 101234491 is about 10061.5352208299. The cubic root of 101234491 is about 466.0610771130.

Adding to 101234491 its reverse (194432101), we get a palindrome (295666592).

The spelling of 101234491 in words is "one hundred one million, two hundred thirty-four thousand, four hundred ninety-one".