101420615 has 8 divisors (see below), whose sum is σ = 121763040. Its totient is φ = 81097632.

The previous prime is 101420611. The next prime is 101420621. The reversal of 101420615 is 516024101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101420615 - 2² = 101420611 is a prime.

It is a super-2 number, since 2×101420615² = 20572282293956450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101420611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11846 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (15220380).

Almost surely, 2^101420615 is an apocalyptic number.

101420615 is a deficient number, since it is larger than the sum of its proper divisors (20342425).

101420615 is an equidigital number, since it uses as much as digits as its factorization.

101420615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 101420615 is about 10070.7802577556. The cubic root of 101420615 is about 466.3465267449.

Adding to 101420615 its reverse (516024101), we get a palindrome (617444716).

The spelling of 101420615 in words is "one hundred one million, four hundred twenty thousand, six hundred fifteen".