1421011000 has 32 divisors (see below), whose sum is σ = 3325168080. Its totient is φ = 568404000.

The previous prime is 1421010979. The next prime is 1421011003. The reversal of 1421011000 is 1101241.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421011003) 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, 709506 + ... + 711505.

Almost surely, 2^1421011000 is an apocalyptic number.

1421011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421011000 is an abundant number, since it is smaller than the sum of its proper divisors (1904157080).

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

1421011000 is a wasteful number, since it uses less digits than its factorization.

1421011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421032 (or 1421018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1421011000 is about 37696.2995531392. The cubic root of 1421011000 is about 1124.2575512777.

Adding to 1421011000 its reverse (1101241), we get a palindrome (1422112241).

The spelling of 1421011000 in words is "one billion, four hundred twenty-one million, eleven thousand".