101217434 has 16 divisors (see below), whose sum is σ = 158658048. Its totient is φ = 48337872.

The previous prime is 101217419. The next prime is 101217443. The reversal of 101217434 is 434712101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 in 7 ways as a sum of consecutive naturals, for example, 44759 + ... + 46965.

It is an arithmetic number, because the mean of its divisors is an integer number (9916128).

Almost surely, 2^101217434 is an apocalyptic number.

101217434 is a deficient number, since it is larger than the sum of its proper divisors (57440614).

101217434 is a wasteful number, since it uses less digits than its factorization.

101217434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 101217434 is about 10060.6875510573. The cubic root of 101217434 is about 466.0349000982.

Adding to 101217434 its reverse (434712101), we get a palindrome (535929535).

The spelling of 101217434 in words is "one hundred one million, two hundred seventeen thousand, four hundred thirty-four".