1020125542454 has 8 divisors (see below), whose sum is σ = 1531282090800. Its totient is φ = 509698178856.

The previous prime is 1020125542417. The next prime is 1020125542463. The reversal of 1020125542454 is 4542455210201.

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

It is a super-2 number, since 2×1020125542454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182292689 + ... + 182298284.

It is an arithmetic number, because the mean of its divisors is an integer number (191410261350).

Almost surely, 2^{1020125542454} is an apocalyptic number.

1020125542454 is a deficient number, since it is larger than the sum of its proper divisors (511156548346).

1020125542454 is a wasteful number, since it uses less digits than its factorization.

1020125542454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364592374.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 1020125542454 in words is "one trillion, twenty billion, one hundred twenty-five million, five hundred forty-two thousand, four hundred fifty-four".