1237442534 has 8 divisors (see below), whose sum is σ = 1870779648. Its totient is φ = 613849320.

The previous prime is 1237442533. The next prime is 1237442539. The reversal of 1237442534 is 4352447321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1237442494 and 1237442503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1237442533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435657 + ... + 2436164.

It is an arithmetic number, because the mean of its divisors is an integer number (233847456).

Almost surely, 2^1237442534 is an apocalyptic number.

1237442534 is a deficient number, since it is larger than the sum of its proper divisors (633337114).

1237442534 is a wasteful number, since it uses less digits than its factorization.

1237442534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871950.

The product of its digits is 80640, while the sum is 35.

The square root of 1237442534 is about 35177.3014030355. The cubic root of 1237442534 is about 1073.5979657106.

Adding to 1237442534 its reverse (4352447321), we get a palindrome (5589889855).

The spelling of 1237442534 in words is "one billion, two hundred thirty-seven million, four hundred forty-two thousand, five hundred thirty-four".