1023051520 has 36 divisors (see below), whose sum is σ = 2450531160. Its totient is φ = 409220096.

The previous prime is 1023051493. The next prime is 1023051541. The reversal of 1023051520 is 251503201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398350 + ... + 400909.

It is an arithmetic number, because the mean of its divisors is an integer number (68070310).

Almost surely, 2^1023051520 is an apocalyptic number.

1023051520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023051520 is an abundant number, since it is smaller than the sum of its proper divisors (1427479640).

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

1023051520 is an frugal number, since it uses more digits than its factorization.

1023051520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799280 (or 799266 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1023051520 is about 31985.1765666535. The cubic root of 1023051520 is about 1007.6255432839.

Adding to 1023051520 its reverse (251503201), we get a palindrome (1274554721).

The spelling of 1023051520 in words is "one billion, twenty-three million, fifty-one thousand, five hundred twenty".