101024621 has 2 divisors, whose sum is σ = 101024622. Its totient is φ = 101024620.

The previous prime is 101024617. The next prime is 101024639. The reversal of 101024621 is 126420101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 48302500 = 7261^2 + 6950^2 .

It is an emirp because it is prime and its reverse (126420101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101024621 - 2² = 101024617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101024621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101024611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50512310 + 50512311.

It is an arithmetic number, because the mean of its divisors is an integer number (50512311).

Almost surely, 2^101024621 is an apocalyptic number.

It is an amenable number.

101024621 is a deficient number, since it is larger than the sum of its proper divisors (1).

101024621 is an equidigital number, since it uses as much as digits as its factorization.

101024621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101024621 is about 10051.1004870114. The cubic root of 101024621 is about 465.7387893663.

Adding to 101024621 its reverse (126420101), we get a palindrome (227444722).

The spelling of 101024621 in words is "one hundred one million, twenty-four thousand, six hundred twenty-one".