1121425253430 has 32 divisors (see below), whose sum is σ = 2692523373408. Its totient is φ = 298924204800.

The previous prime is 1121425253411. The next prime is 1121425253461. The reversal of 1121425253430 is 343525241211.

It is a junction number, because it is equal to n+sod(n) for n = 1121425253391 and 1121425253400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7583641 + ... + 7730100.

It is an arithmetic number, because the mean of its divisors is an integer number (84141355419).

Almost surely, 2^{1121425253430} is an apocalyptic number.

1121425253430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121425253430 is an abundant number, since it is smaller than the sum of its proper divisors (1571098119978).

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

1121425253430 is a wasteful number, since it uses less digits than its factorization.

1121425253430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15316192.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 1121425253430 in words is "one trillion, one hundred twenty-one billion, four hundred twenty-five million, two hundred fifty-three thousand, four hundred thirty".