101242534 has 4 divisors (see below), whose sum is σ = 151863804. Its totient is φ = 50621266.

The previous prime is 101242517. The next prime is 101242553. The reversal of 101242534 is 435242101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25310632 + ... + 25310635.

It is an arithmetic number, because the mean of its divisors is an integer number (37965951).

Almost surely, 2^101242534 is an apocalyptic number.

101242534 is a deficient number, since it is larger than the sum of its proper divisors (50621270).

101242534 is an equidigital number, since it uses as much as digits as its factorization.

101242534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50621269.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 101242534 is about 10061.9349033871. The cubic root of 101242534 is about 466.0734195138.

Adding to 101242534 its reverse (435242101), we get a palindrome (536484635).

The spelling of 101242534 in words is "one hundred one million, two hundred forty-two thousand, five hundred thirty-four".