100412551 has 2 divisors, whose sum is σ = 100412552. Its totient is φ = 100412550.

The previous prime is 100412519. The next prime is 100412563. The reversal of 100412551 is 155214001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100412551 - 2⁵ = 100412519 is a prime.

It is a zygodrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100412651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50206275 + 50206276.

It is an arithmetic number, because the mean of its divisors is an integer number (50206276).

Almost surely, 2^100412551 is an apocalyptic number.

100412551 is a deficient number, since it is larger than the sum of its proper divisors (1).

100412551 is an equidigital number, since it uses as much as digits as its factorization.

100412551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 100412551 is about 10020.6063189809. The cubic root of 100412551 is about 464.7963049718.

Adding to 100412551 its reverse (155214001), we get a palindrome (255626552).

The spelling of 100412551 in words is "one hundred million, four hundred twelve thousand, five hundred fifty-one".