1020011154 has 8 divisors (see below), whose sum is σ = 2040022320. Its totient is φ = 340003716.

The previous prime is 1020011141. The next prime is 1020011183. The reversal of 1020011154 is 4511100201.

It is a happy number.

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

1020011154 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85000924 + ... + 85000935.

It is an arithmetic number, because the mean of its divisors is an integer number (255002790).

Almost surely, 2^1020011154 is an apocalyptic number.

1020011154 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.

1020011154 is a wasteful number, since it uses less digits than its factorization.

1020011154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170001864.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1020011154 is about 31937.6134675088. The cubic root of 1020011154 is about 1006.6263787852.

Adding to 1020011154 its reverse (4511100201), we get a palindrome (5531111355).

The spelling of 1020011154 in words is "one billion, twenty million, eleven thousand, one hundred fifty-four".