1020253151429 has 4 divisors (see below), whose sum is σ = 1023512746476. Its totient is φ = 1016993556384.

The previous prime is 1020253151419. The next prime is 1020253151441. The reversal of 1020253151429 is 9241513520201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18206104900 + 1002047046529 = 134930^2 + 1001023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020253151429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020253151419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629797054 + ... + 1629797679.

It is an arithmetic number, because the mean of its divisors is an integer number (255878186619).

Almost surely, 2^{1020253151429} is an apocalyptic number.

It is an amenable number.

1020253151429 is a deficient number, since it is larger than the sum of its proper divisors (3259595047).

1020253151429 is an equidigital number, since it uses as much as digits as its factorization.

1020253151429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259595046.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 1020253151429 in words is "one trillion, twenty billion, two hundred fifty-three million, one hundred fifty-one thousand, four hundred twenty-nine".