106419451 has 2 divisors, whose sum is σ = 106419452. Its totient is φ = 106419450.

The previous prime is 106419449. The next prime is 106419457. The reversal of 106419451 is 154914601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106419451 - 2¹ = 106419449 is a prime.

It is a super-2 number, since 2×106419451² = 22650199102282802, which contains 22 as substring.

Together with 106419449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106419457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53209725 + 53209726.

It is an arithmetic number, because the mean of its divisors is an integer number (53209726).

Almost surely, 2^106419451 is an apocalyptic number.

106419451 is a deficient number, since it is larger than the sum of its proper divisors (1).

106419451 is an equidigital number, since it uses as much as digits as its factorization.

106419451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 106419451 is about 10315.9803702799. The cubic root of 106419451 is about 473.8857739557.

The spelling of 106419451 in words is "one hundred six million, four hundred nineteen thousand, four hundred fifty-one".