1015142 has 4 divisors (see below), whose sum is σ = 1522716. Its totient is φ = 507570.

The previous prime is 1015139. The next prime is 1015159. The reversal of 1015142 is 2415101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253784 + ... + 253787.

It is an arithmetic number, because the mean of its divisors is an integer number (380679).

2^1015142 is an apocalyptic number.

1015142 is a deficient number, since it is larger than the sum of its proper divisors (507574).

1015142 is an equidigital number, since it uses as much as digits as its factorization.

1015142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507573.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1015142 is about 1007.5425549325. The cubic root of 1015142 is about 100.5022069926.

The spelling of 1015142 in words is "one million, fifteen thousand, one hundred forty-two".