1012341421 has 24 divisors (see below), whose sum is σ = 1289047704. Its totient is φ = 787812480.

The previous prime is 1012341409. The next prime is 1012341437. The reversal of 1012341421 is 1241432101.

1012341421 = 421³ + 422³ + ... + 433³.

It can be written as a sum of positive squares in 4 ways, for example, as 6817321 + 1005524100 = 2611^2 + 31710^2 .

It is not a de Polignac number, because 1012341421 - 2¹⁵ = 1012308653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012341401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25831 + ... + 51883.

It is an arithmetic number, because the mean of its divisors is an integer number (53710321).

Almost surely, 2^1012341421 is an apocalyptic number.

It is an amenable number.

1012341421 is a deficient number, since it is larger than the sum of its proper divisors (276706283).

1012341421 is a wasteful number, since it uses less digits than its factorization.

1012341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26141 (or 26134 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1012341421 is about 31817.3132272353. The cubic root of 1012341421 is about 1004.0969986786.

Adding to 1012341421 its reverse (1241432101), we get a palindrome (2253773522).

The spelling of 1012341421 in words is "one billion, twelve million, three hundred forty-one thousand, four hundred twenty-one".