1245016142 has 8 divisors (see below), whose sum is σ = 1891164000. Its totient is φ = 614628144.

The previous prime is 1245016099. The next prime is 1245016153. The reversal of 1245016142 is 2416105421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939767 + ... + 3940082.

It is an arithmetic number, because the mean of its divisors is an integer number (236395500).

Almost surely, 2^1245016142 is an apocalyptic number.

1245016142 is a deficient number, since it is larger than the sum of its proper divisors (646147858).

1245016142 is an equidigital number, since it uses as much as digits as its factorization.

1245016142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879930.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1245016142 is about 35284.7862683055. The cubic root of 1245016142 is about 1075.7837852068.

The spelling of 1245016142 in words is "one billion, two hundred forty-five million, sixteen thousand, one hundred forty-two".