1034120421 has 12 divisors (see below), whose sum is σ = 1581596172. Its totient is φ = 648859776.

The previous prime is 1034120407. The next prime is 1034120447. The reversal of 1034120421 is 1240214301.

It can be written as a sum of positive squares in 2 ways, for example, as 423783396 + 610337025 = 20586^2 + 24705^2 .

It is not a de Polignac number, because 1034120421 - 2⁷ = 1034120293 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1034120394 and 1034120403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034120401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3379326 + ... + 3379631.

It is an arithmetic number, because the mean of its divisors is an integer number (131799681).

Almost surely, 2^1034120421 is an apocalyptic number.

It is an amenable number.

1034120421 is a deficient number, since it is larger than the sum of its proper divisors (547475751).

1034120421 is a wasteful number, since it uses less digits than its factorization.

1034120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758980 (or 6758977 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1034120421 is about 32157.7427845923. The cubic root of 1034120421 is about 1011.2465153898.

Adding to 1034120421 its reverse (1240214301), we get a palindrome (2274334722).

The spelling of 1034120421 in words is "one billion, thirty-four million, one hundred twenty thousand, four hundred twenty-one".