1021354003242 has 56 divisors (see below), whose sum is σ = 2297171062980. Its totient is φ = 340425348480.

The previous prime is 1021354003237. The next prime is 1021354003247. The reversal of 1021354003242 is 2423004531201.

1021354003242 is a `hidden beast` number, since 1 + 0 + 2 + 13 + 5 + 400 + 3 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (1021354003237) and next prime (1021354003247).

It can be written as a sum of positive squares in 2 ways, for example, as 942004183761 + 79349819481 = 970569^2 + 281691^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1021354003247) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33461884 + ... + 33492392.

Almost surely, 2^{1021354003242} is an apocalyptic number.

1021354003242 is an abundant number, since it is smaller than the sum of its proper divisors (1275817059738).

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

1021354003242 is an equidigital number, since it uses as much as digits as its factorization.

1021354003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53490 (or 53475 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1021354003242 its reverse (2423004531201), we get a palindrome (3444358534443).

The spelling of 1021354003242 in words is "one trillion, twenty-one billion, three hundred fifty-four million, three thousand, two hundred forty-two".