1061420142 has 48 divisors (see below), whose sum is σ = 2269175040. Its totient is φ = 330889104.

The previous prime is 1061420117. The next prime is 1061420149. The reversal of 1061420142 is 2410241601.

It is a happy number.

It is a super-2 number, since 2×1061420142² = 2253225435686600328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061420149) 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, 168013 + ... + 174215.

It is an arithmetic number, because the mean of its divisors is an integer number (47274480).

Almost surely, 2^1061420142 is an apocalyptic number.

1061420142 is an abundant number, since it is smaller than the sum of its proper divisors (1207754898).

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

1061420142 is a wasteful number, since it uses less digits than its factorization.

1061420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1061420142 is about 32579.4435495759. The cubic root of 1061420142 is about 1020.0679635606.

Adding to 1061420142 its reverse (2410241601), we get a palindrome (3471661743).

The spelling of 1061420142 in words is "one billion, sixty-one million, four hundred twenty thousand, one hundred forty-two".