103142070 has 48 divisors (see below), whose sum is σ = 282288240. Its totient is φ = 26056512.

The previous prime is 103142059. The next prime is 103142071. The reversal of 103142070 is 70241301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103142071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28449 + ... + 31868.

It is an arithmetic number, because the mean of its divisors is an integer number (5881005).

Almost surely, 2^103142070 is an apocalyptic number.

103142070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103142070 is an abundant number, since it is smaller than the sum of its proper divisors (179146170).

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

103142070 is a wasteful number, since it uses less digits than its factorization.

103142070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60349 (or 60346 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 103142070 is about 10155.8884397181. Note that the first 3 decimals coincide. The cubic root of 103142070 is about 468.9702367748.

Adding to 103142070 its reverse (70241301), we get a palindrome (173383371).

The spelling of 103142070 in words is "one hundred three million, one hundred forty-two thousand, seventy".