1011421504 has 28 divisors (see below), whose sum is σ = 2094305184. Its totient is φ = 483722624.

The previous prime is 1011421403. The next prime is 1011421507. The reversal of 1011421504 is 4051241101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011421507) 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, 342082 + ... + 345025.

Almost surely, 2^1011421504 is an apocalyptic number.

It is an amenable number.

1011421504 is an abundant number, since it is smaller than the sum of its proper divisors (1082883680).

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

1011421504 is an equidigital number, since it uses as much as digits as its factorization.

1011421504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687142 (or 687132 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1011421504 is about 31802.8537084331. The cubic root of 1011421504 is about 1003.7927647492.

Adding to 1011421504 its reverse (4051241101), we get a palindrome (5062662605).

The spelling of 1011421504 in words is "one billion, eleven million, four hundred twenty-one thousand, five hundred four".