1134401020 has 24 divisors (see below), whose sum is σ = 2414878704. Its totient is φ = 447543936.

The previous prime is 1134401003. The next prime is 1134401039. The reversal of 1134401020 is 201044311.

It is a junction number, because it is equal to n+sod(n) for n = 1134400985 and 1134401003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387034 + ... + 389953.

It is an arithmetic number, because the mean of its divisors is an integer number (100619946).

Almost surely, 2^1134401020 is an apocalyptic number.

1134401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134401020 is an abundant number, since it is smaller than the sum of its proper divisors (1280477684).

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

1134401020 is a wasteful number, since it uses less digits than its factorization.

1134401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777069 (or 777067 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1134401020 is about 33680.8702381634. The cubic root of 1134401020 is about 1042.9309028064.

Adding to 1134401020 its reverse (201044311), we get a palindrome (1335445331).

The spelling of 1134401020 in words is "one billion, one hundred thirty-four million, four hundred one thousand, twenty".