101505401 has 2 divisors, whose sum is σ = 101505402. Its totient is φ = 101505400.

The previous prime is 101505389. The next prime is 101505407. The reversal of 101505401 is 104505101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93799225 + 7706176 = 9685^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 101505401 - 2⁶ = 101505337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101505401.

It is not a weakly prime, because it can be changed into another prime (101505407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50752700 + 50752701.

It is an arithmetic number, because the mean of its divisors is an integer number (50752701).

Almost surely, 2^101505401 is an apocalyptic number.

It is an amenable number.

101505401 is a deficient number, since it is larger than the sum of its proper divisors (1).

101505401 is an equidigital number, since it uses as much as digits as its factorization.

101505401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 101505401 is about 10074.9888833686. The cubic root of 101505401 is about 466.4764432764.

It can be divided in two parts, 10150 and 5401, that added together give a palindrome (15551).

The spelling of 101505401 in words is "one hundred one million, five hundred five thousand, four hundred one".