1034212121 has 8 divisors (see below), whose sum is σ = 1064417760. Its totient is φ = 1004429152.

The previous prime is 1034212079. The next prime is 1034212133. The reversal of 1034212121 is 1212124301.

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

It is a cyclic number.

It is not a de Polignac number, because 1034212121 - 2¹⁴ = 1034195737 is a prime.

It is a super-2 number, since 2×1034212121² = 2139189422446637282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1034212121.

It is not an unprimeable number, because it can be changed into a prime (1034212141) 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, 100700 + ... + 110493.

It is an arithmetic number, because the mean of its divisors is an integer number (133052220).

Almost surely, 2^1034212121 is an apocalyptic number.

It is an amenable number.

1034212121 is a deficient number, since it is larger than the sum of its proper divisors (30205639).

1034212121 is an equidigital number, since it uses as much as digits as its factorization.

1034212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211335.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1034212121 is about 32159.1685371373. The cubic root of 1034212121 is about 1011.2764050631.

Adding to 1034212121 its reverse (1212124301), we get a palindrome (2246336422).

The spelling of 1034212121 in words is "one billion, thirty-four million, two hundred twelve thousand, one hundred twenty-one".