1011020488 has 8 divisors (see below), whose sum is σ = 1895663430. Its totient is φ = 505510240.

The previous prime is 1011020473. The next prime is 1011020501. The reversal of 1011020488 is 8840201101.

It can be written as a sum of positive squares in only one way, i.e., 859779684 + 151240804 = 29322^2 + 12298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63188773 + ... + 63188788.

Almost surely, 2^1011020488 is an apocalyptic number.

It is an amenable number.

1011020488 is a deficient number, since it is larger than the sum of its proper divisors (884642942).

1011020488 is a wasteful number, since it uses less digits than its factorization.

1011020488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126377567 (or 126377563 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 1011020488 is about 31796.5483661356. The cubic root of 1011020488 is about 1003.6600834454.

Adding to 1011020488 its reverse (8840201101), we get a palindrome (9851221589).

The spelling of 1011020488 in words is "one billion, eleven million, twenty thousand, four hundred eighty-eight".