1230451634 has 8 divisors (see below), whose sum is σ = 1884947328. Its totient is φ = 602135860.

The previous prime is 1230451603. The next prime is 1230451637. The reversal of 1230451634 is 4361540321.

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

It is a super-2 number, since 2×1230451634² = 3028022447226539912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230451597 and 1230451606.

It is not an unprimeable number, because it can be changed into a prime (1230451637) 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, 6544862 + ... + 6545049.

It is an arithmetic number, because the mean of its divisors is an integer number (235618416).

Almost surely, 2^1230451634 is an apocalyptic number.

1230451634 is a deficient number, since it is larger than the sum of its proper divisors (654495694).

1230451634 is a wasteful number, since it uses less digits than its factorization.

1230451634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089960.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1230451634 is about 35077.7940298417. The cubic root of 1230451634 is about 1071.5723916669.

Adding to 1230451634 its reverse (4361540321), we get a palindrome (5591991955).

The spelling of 1230451634 in words is "one billion, two hundred thirty million, four hundred fifty-one thousand, six hundred thirty-four".