1630126131 has 8 divisors (see below), whose sum is σ = 2232244944. Its totient is φ = 1057379040.

The previous prime is 1630126123. The next prime is 1630126151. The reversal of 1630126131 is 1316210361.

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

It is not a de Polignac number, because 1630126131 - 2³ = 1630126123 is a prime.

It is a super-2 number, since 2×1630126131² = 5314622405938058322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1630126151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7342800 + ... + 7343021.

It is an arithmetic number, because the mean of its divisors is an integer number (279030618).

Almost surely, 2^1630126131 is an apocalyptic number.

1630126131 is a deficient number, since it is larger than the sum of its proper divisors (602118813).

1630126131 is a wasteful number, since it uses less digits than its factorization.

1630126131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14685861.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1630126131 is about 40374.8205073410. The cubic root of 1630126131 is about 1176.9022769514.

Adding to 1630126131 its reverse (1316210361), we get a palindrome (2946336492).

The spelling of 1630126131 in words is "one billion, six hundred thirty million, one hundred twenty-six thousand, one hundred thirty-one".