103217142 has 32 divisors (see below), whose sum is σ = 237388032. Its totient is φ = 29307744.

The previous prime is 103217141. The next prime is 103217143. The reversal of 103217142 is 241712301.

It is an interprime number because it is at equal distance from previous prime (103217141) and next prime (103217143).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103217141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693 + ... + 14384.

It is an arithmetic number, because the mean of its divisors is an integer number (7418376).

Almost surely, 2^103217142 is an apocalyptic number.

103217142 is an abundant number, since it is smaller than the sum of its proper divisors (134170890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103217142 is a wasteful number, since it uses less digits than its factorization.

103217142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 103217142 is about 10159.5837513158. The cubic root of 103217142 is about 469.0839892438.

Adding to 103217142 its reverse (241712301), we get a palindrome (344929443).

The spelling of 103217142 in words is "one hundred three million, two hundred seventeen thousand, one hundred forty-two".