1245434534 has 8 divisors (see below), whose sum is σ = 1966475640. Its totient is φ = 589942656.

The previous prime is 1245434527. The next prime is 1245434537. The reversal of 1245434534 is 4354345421.

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

It is a super-2 number, since 2×1245434534² = 3102214356959594312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1245434494 and 1245434503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245434537) 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, 16387259 + ... + 16387334.

It is an arithmetic number, because the mean of its divisors is an integer number (245809455).

Almost surely, 2^1245434534 is an apocalyptic number.

1245434534 is a deficient number, since it is larger than the sum of its proper divisors (721041106).

1245434534 is a wasteful number, since it uses less digits than its factorization.

1245434534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32774614.

The product of its digits is 115200, while the sum is 35.

The square root of 1245434534 is about 35290.7145577983. The cubic root of 1245434534 is about 1075.9042786699.

Adding to 1245434534 its reverse (4354345421), we get a palindrome (5599779955).

The spelling of 1245434534 in words is "one billion, two hundred forty-five million, four hundred thirty-four thousand, five hundred thirty-four".