1001421434 has 16 divisors (see below), whose sum is σ = 1619479680. Its totient is φ = 461680560.

The previous prime is 1001421419. The next prime is 1001421439. The reversal of 1001421434 is 4341241001.

It is not an unprimeable number, because it can be changed into a prime (1001421439) 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, 2939 + ... + 44849.

It is an arithmetic number, because the mean of its divisors is an integer number (101217480).

Almost surely, 2^1001421434 is an apocalyptic number.

1001421434 is a deficient number, since it is larger than the sum of its proper divisors (618058246).

1001421434 is a wasteful number, since it uses less digits than its factorization.

1001421434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42845.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1001421434 is about 31645.2434656458. The cubic root of 1001421434 is about 1000.4735870133.

Adding to 1001421434 its reverse (4341241001), we get a palindrome (5342662435).

The spelling of 1001421434 in words is "one billion, one million, four hundred twenty-one thousand, four hundred thirty-four".