101991467 has 2 divisors, whose sum is σ = 101991468. Its totient is φ = 101991466.

The previous prime is 101991401. The next prime is 101991493. The reversal of 101991467 is 764199101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101991467 is a prime.

It is a super-3 number, since 3×101991467³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101991467.

It is not a weakly prime, because it can be changed into another prime (101901467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50995733 + 50995734.

It is an arithmetic number, because the mean of its divisors is an integer number (50995734).

Almost surely, 2^101991467 is an apocalyptic number.

101991467 is a deficient number, since it is larger than the sum of its proper divisors (1).

101991467 is an equidigital number, since it uses as much as digits as its factorization.

101991467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 101991467 is about 10099.0824830774. The cubic root of 101991467 is about 467.2198433934.

The spelling of 101991467 in words is "one hundred one million, nine hundred ninety-one thousand, four hundred sixty-seven".