1142750 has 32 divisors (see below), whose sum is σ = 2448576. Its totient is φ = 391200.

The previous prime is 1142737. The next prime is 1142759. The reversal of 1142750 is 572411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142759) 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, 1424 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (76518).

2^1142750 is an apocalyptic number.

1142750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142750 is an abundant number, since it is smaller than the sum of its proper divisors (1305826).

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

1142750 is an equidigital number, since it uses as much as digits as its factorization.

1142750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1142750 is about 1068.9948549923. The cubic root of 1142750 is about 104.5483243756.

The spelling of 1142750 in words is "one million, one hundred forty-two thousand, seven hundred fifty".