1013063720 has 32 divisors (see below), whose sum is σ = 2281828320. Its totient is φ = 404792640.

The previous prime is 1013063719. The next prime is 1013063743. The reversal of 1013063720 is 273603101.

It is a happy 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, 25799 + ... + 51881.

It is an arithmetic number, because the mean of its divisors is an integer number (71307135).

Almost surely, 2^1013063720 is an apocalyptic number.

1013063720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013063720 is an abundant number, since it is smaller than the sum of its proper divisors (1268764600).

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

1013063720 is a wasteful number, since it uses less digits than its factorization.

1013063720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27065 (or 27061 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1013063720 is about 31828.6619260063. The cubic root of 1013063720 is about 1004.3357474585.

Adding to 1013063720 its reverse (273603101), we get a palindrome (1286666821).

The spelling of 1013063720 in words is "one billion, thirteen million, sixty-three thousand, seven hundred twenty".