1020578154 has 8 divisors (see below), whose sum is σ = 2041156320. Its totient is φ = 340192716.

The previous prime is 1020578147. The next prime is 1020578159. The reversal of 1020578154 is 4518750201.

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

1020578154 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020578159) 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, 85048174 + ... + 85048185.

It is an arithmetic number, because the mean of its divisors is an integer number (255144540).

Almost surely, 2^1020578154 is an apocalyptic number.

1020578154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020578154 is a wasteful number, since it uses less digits than its factorization.

1020578154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170096364.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1020578154 is about 31946.4889150592. The cubic root of 1020578154 is about 1006.8128641422.

The spelling of 1020578154 in words is "one billion, twenty million, five hundred seventy-eight thousand, one hundred fifty-four".