1021342014 has 128 divisors (see below), whose sum is σ = 2996352000. Its totient is φ = 249661440.

The previous prime is 1021342013. The next prime is 1021342019. The reversal of 1021342014 is 4102431201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021342013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63462 + ... + 77910.

It is an arithmetic number, because the mean of its divisors is an integer number (23409000).

Almost surely, 2^1021342014 is an apocalyptic number.

1021342014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021342014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498176000).

1021342014 is an abundant number, since it is smaller than the sum of its proper divisors (1975009986).

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

1021342014 is a wasteful number, since it uses less digits than its factorization.

1021342014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14495 (or 14489 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1021342014 is about 31958.4419833008. The cubic root of 1021342014 is about 1007.0639872533.

Adding to 1021342014 its reverse (4102431201), we get a palindrome (5123773215).

The spelling of 1021342014 in words is "one billion, twenty-one million, three hundred forty-two thousand, fourteen".