1011252430 has 16 divisors (see below), whose sum is σ = 1830314304. Its totient is φ = 402265440.

The previous prime is 1011252419. The next prime is 1011252433. The reversal of 1011252430 is 342521101.

It is a junction number, because it is equal to n+sod(n) for n = 1011252398 and 1011252407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011252433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277542 + ... + 281161.

It is an arithmetic number, because the mean of its divisors is an integer number (114394644).

Almost surely, 2^1011252430 is an apocalyptic number.

1011252430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011252430 is a deficient number, since it is larger than the sum of its proper divisors (819061874).

1011252430 is a wasteful number, since it uses less digits than its factorization.

1011252430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558891.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1011252430 is about 31800.1954396510. The cubic root of 1011252430 is about 1003.7368287176.

Adding to 1011252430 its reverse (342521101), we get a palindrome (1353773531).

The spelling of 1011252430 in words is "one billion, eleven million, two hundred fifty-two thousand, four hundred thirty".