101620034 has 4 divisors (see below), whose sum is σ = 152430054. Its totient is φ = 50810016.

The previous prime is 101620021. The next prime is 101620061. The reversal of 101620034 is 430026101.

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

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 24970009 = 8755^2 + 4997^2 .

It is a super-2 number, since 2×101620034² = 20653262620322312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101619994 and 101620021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25405007 + ... + 25405010.

Almost surely, 2^101620034 is an apocalyptic number.

101620034 is a deficient number, since it is larger than the sum of its proper divisors (50810020).

101620034 is an equidigital number, since it uses as much as digits as its factorization.

101620034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50810019.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 101620034 is about 10080.6762669972. The cubic root of 101620034 is about 466.6519790162.

Adding to 101620034 its reverse (430026101), we get a palindrome (531646135).

The spelling of 101620034 in words is "one hundred one million, six hundred twenty thousand, thirty-four".