101215342 has 4 divisors (see below), whose sum is σ = 151823016. Its totient is φ = 50607670.

The previous prime is 101215327. The next prime is 101215349. The reversal of 101215342 is 243512101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101215349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303834 + ... + 25303837.

It is an arithmetic number, because the mean of its divisors is an integer number (37955754).

Almost surely, 2^101215342 is an apocalyptic number.

101215342 is a deficient number, since it is larger than the sum of its proper divisors (50607674).

101215342 is an equidigital number, since it uses as much as digits as its factorization.

101215342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50607673.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 101215342 is about 10060.5835814827. The cubic root of 101215342 is about 466.0316893479.

Adding to 101215342 its reverse (243512101), we get a palindrome (344727443).

The spelling of 101215342 in words is "one hundred one million, two hundred fifteen thousand, three hundred forty-two".