1641037126 has 4 divisors (see below), whose sum is σ = 2461555692. Its totient is φ = 820518562.

The previous prime is 1641037103. The next prime is 1641037127. The reversal of 1641037126 is 6217301461.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641037127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410259280 + ... + 410259283.

It is an arithmetic number, because the mean of its divisors is an integer number (615388923).

Almost surely, 2^1641037126 is an apocalyptic number.

1641037126 is a deficient number, since it is larger than the sum of its proper divisors (820518566).

1641037126 is an equidigital number, since it uses as much as digits as its factorization.

1641037126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820518565.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1641037126 is about 40509.7164393927. The cubic root of 1641037126 is about 1179.5222441113.

Adding to 1641037126 its reverse (6217301461), we get a palindrome (7858338587).

The spelling of 1641037126 in words is "one billion, six hundred forty-one million, thirty-seven thousand, one hundred twenty-six".