1242532011 has 8 divisors (see below), whose sum is σ = 1893382144. Its totient is φ = 710018280.

The previous prime is 1242532001. The next prime is 1242532033. The reversal of 1242532011 is 1102352421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1242532011 - 2¹¹ = 1242529963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 59168191 = 1242532011 / (1 + 2 + 4 + 2 + 5 + 3 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242532001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29584075 + ... + 29584116.

It is an arithmetic number, because the mean of its divisors is an integer number (236672768).

Almost surely, 2^1242532011 is an apocalyptic number.

1242532011 is a deficient number, since it is larger than the sum of its proper divisors (650850133).

1242532011 is an equidigital number, since it uses as much as digits as its factorization.

1242532011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59168201.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1242532011 is about 35249.5675292620. The cubic root of 1242532011 is about 1075.0678193377.

Adding to 1242532011 its reverse (1102352421), we get a palindrome (2344884432).

The spelling of 1242532011 in words is "one billion, two hundred forty-two million, five hundred thirty-two thousand, eleven".