1020123524 has 48 divisors (see below), whose sum is σ = 2077447680. Its totient is φ = 429287040.

The previous prime is 1020123523. The next prime is 1020123553. The reversal of 1020123524 is 4253210201.

It is a junction number, because it is equal to n+sod(n) for n = 1020123496 and 1020123505.

It is not an unprimeable number, because it can be changed into a prime (1020123523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434594 + ... + 436934.

It is an arithmetic number, because the mean of its divisors is an integer number (43280160).

Almost surely, 2^1020123524 is an apocalyptic number.

1020123524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020123524 is an abundant number, since it is smaller than the sum of its proper divisors (1057324156).

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

1020123524 is a wasteful number, since it uses less digits than its factorization.

1020123524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1020123524 is about 31939.3726300314. The cubic root of 1020123524 is about 1006.6633425812.

Adding to 1020123524 its reverse (4253210201), we get a palindrome (5273333725).

The spelling of 1020123524 in words is "one billion, twenty million, one hundred twenty-three thousand, five hundred twenty-four".