1142070 has 16 divisors (see below), whose sum is σ = 2741040. Its totient is φ = 304544.

The previous prime is 1142069. The next prime is 1142083. The reversal of 1142070 is 702411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 19005 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (171315).

2^1142070 is an apocalyptic number.

1142070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142070 is an abundant number, since it is smaller than the sum of its proper divisors (1598970).

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

1142070 is a wasteful number, since it uses less digits than its factorization.

1142070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38079.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1142070 is about 1068.6767518759. The cubic root of 1142070 is about 104.5275828991.

Adding to 1142070 its reverse (702411), we get a palindrome (1844481).

The spelling of 1142070 in words is "one million, one hundred forty-two thousand, seventy".