1031212142 has 8 divisors (see below), whose sum is σ = 1569905256. Its totient is φ = 507910392.

The previous prime is 1031212139. The next prime is 1031212177. The reversal of 1031212142 is 2412121301.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1031212142.

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, 3847673 + ... + 3847940.

It is an arithmetic number, because the mean of its divisors is an integer number (196238157).

Almost surely, 2^1031212142 is an apocalyptic number.

1031212142 is a deficient number, since it is larger than the sum of its proper divisors (538693114).

1031212142 is an equidigital number, since it uses as much as digits as its factorization.

1031212142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695682.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1031212142 is about 32112.4919929924. The cubic root of 1031212142 is about 1010.2976419122.

Adding to 1031212142 its reverse (2412121301), we get a palindrome (3443333443).

The spelling of 1031212142 in words is "one billion, thirty-one million, two hundred twelve thousand, one hundred forty-two".