1021341000 has 64 divisors (see below), whose sum is σ = 3186593280. Its totient is φ = 272356800.

The previous prime is 1021340981. The next prime is 1021341043. The reversal of 1021341000 is 1431201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167224 + ... + 173223.

It is an arithmetic number, because the mean of its divisors is an integer number (49790520).

Almost surely, 2^1021341000 is an apocalyptic number.

1021341000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021341000 is an abundant number, since it is smaller than the sum of its proper divisors (2165252280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021341000 is a wasteful number, since it uses less digits than its factorization.

1021341000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340471 (or 340457 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021341000 is about 31958.4261189440. The cubic root of 1021341000 is about 1007.0636539783.

Adding to 1021341000 its reverse (1431201), we get a palindrome (1022772201).

The spelling of 1021341000 in words is "one billion, twenty-one million, three hundred forty-one thousand".