1142607 has 4 divisors (see below), whose sum is σ = 1523480. Its totient is φ = 761736.

The previous prime is 1142599. The next prime is 1142633. The reversal of 1142607 is 7062411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7062411 = 3 ⋅2354137.

It is not a de Polignac number, because 1142607 - 2³ = 1142599 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190432 + ... + 190437.

It is an arithmetic number, because the mean of its divisors is an integer number (380870).

2^1142607 is an apocalyptic number.

1142607 is a deficient number, since it is larger than the sum of its proper divisors (380873).

1142607 is an equidigital number, since it uses as much as digits as its factorization.

1142607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380872.

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

The square root of 1142607 is about 1068.9279676386. The cubic root of 1142607 is about 104.5439632485.

The spelling of 1142607 in words is "one million, one hundred forty-two thousand, six hundred seven".