101129453 has 2 divisors, whose sum is σ = 101129454. Its totient is φ = 101129452.

The previous prime is 101129449. The next prime is 101129503. The reversal of 101129453 is 354921101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100360324 + 769129 = 10018^2 + 877^2 .

It is an emirp because it is prime and its reverse (354921101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101129453 - 2² = 101129449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101129423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50564726 + 50564727.

It is an arithmetic number, because the mean of its divisors is an integer number (50564727).

Almost surely, 2^101129453 is an apocalyptic number.

It is an amenable number.

101129453 is a deficient number, since it is larger than the sum of its proper divisors (1).

101129453 is an equidigital number, since it uses as much as digits as its factorization.

101129453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 101129453 is about 10056.3140861849. The cubic root of 101129453 is about 465.8998308031.

The spelling of 101129453 in words is "one hundred one million, one hundred twenty-nine thousand, four hundred fifty-three".