1601125434 has 32 divisors (see below), whose sum is σ = 3572849280. Its totient is φ = 531489600.

The previous prime is 1601125429. The next prime is 1601125441. The reversal of 1601125434 is 4345211061.

It is a happy number.

1601125434 is a `hidden beast` number, since 1 + 6 + 0 + 112 + 543 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1601125398 and 1601125407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48502 + ... + 74529.

It is an arithmetic number, because the mean of its divisors is an integer number (111651540).

Almost surely, 2^1601125434 is an apocalyptic number.

1601125434 is an abundant number, since it is smaller than the sum of its proper divisors (1971723846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1601125434 is a wasteful number, since it uses less digits than its factorization.

1601125434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123283 (or 123277 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1601125434 is about 40014.0654520382. The cubic root of 1601125434 is about 1169.8812634272.

Adding to 1601125434 its reverse (4345211061), we get a palindrome (5946336495).

The spelling of 1601125434 in words is "one billion, six hundred one million, one hundred twenty-five thousand, four hundred thirty-four".