100412969 has 2 divisors, whose sum is σ = 100412970. Its totient is φ = 100412968.

The previous prime is 100412953. The next prime is 100412971. The reversal of 100412969 is 969214001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97219600 + 3193369 = 9860^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 100412969 - 2⁴ = 100412953 is a prime.

It is a super-2 number, since 2×100412969² = 20165528686789922, which contains 22 as substring.

Together with 100412971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100412989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50206484 + 50206485.

It is an arithmetic number, because the mean of its divisors is an integer number (50206485).

Almost surely, 2^100412969 is an apocalyptic number.

It is an amenable number.

100412969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100412969 is an equidigital number, since it uses as much as digits as its factorization.

100412969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 100412969 is about 10020.6271759806. The cubic root of 100412969 is about 464.7969499263.

The spelling of 100412969 in words is "one hundred million, four hundred twelve thousand, nine hundred sixty-nine".