1245401134 has 4 divisors (see below), whose sum is σ = 1868101704. Its totient is φ = 622700566.

The previous prime is 1245401083. The next prime is 1245401197. The reversal of 1245401134 is 4311045421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4311045421 = 56731 ⋅75991.

It is a junction number, because it is equal to n+sod(n) for n = 1245401099 and 1245401108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311350282 + ... + 311350285.

It is an arithmetic number, because the mean of its divisors is an integer number (467025426).

Almost surely, 2^1245401134 is an apocalyptic number.

1245401134 is a deficient number, since it is larger than the sum of its proper divisors (622700570).

1245401134 is an equidigital number, since it uses as much as digits as its factorization.

1245401134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622700569.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1245401134 is about 35290.2413423315. The cubic root of 1245401134 is about 1075.8946607352.

Adding to 1245401134 its reverse (4311045421), we get a palindrome (5556446555).

The spelling of 1245401134 in words is "one billion, two hundred forty-five million, four hundred one thousand, one hundred thirty-four".