100401407 has 2 divisors, whose sum is σ = 100401408. Its totient is φ = 100401406.

The previous prime is 100401401. The next prime is 100401487. The reversal of 100401407 is 704104001.

It is a weak prime.

It is an emirp because it is prime and its reverse (704104001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100401407 - 2⁴ = 100401391 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100401401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50200703 + 50200704.

It is an arithmetic number, because the mean of its divisors is an integer number (50200704).

Almost surely, 2^100401407 is an apocalyptic number.

100401407 is a deficient number, since it is larger than the sum of its proper divisors (1).

100401407 is an equidigital number, since it uses as much as digits as its factorization.

100401407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 100401407 is about 10020.0502493750. The cubic root of 100401407 is about 464.7791096391.

Adding to 100401407 its reverse (704104001), we get a palindrome (804505408).

The spelling of 100401407 in words is "one hundred million, four hundred one thousand, four hundred seven".