1430121020 has 12 divisors (see below), whose sum is σ = 3003254184. Its totient is φ = 572048400.

The previous prime is 1430120957. The next prime is 1430121053. The reversal of 1430121020 is 201210341.

It is a super-2 number, since 2×1430121020² = 4090492263691680800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1430120986 and 1430121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35753006 + ... + 35753045.

It is an arithmetic number, because the mean of its divisors is an integer number (250271182).

Almost surely, 2^1430121020 is an apocalyptic number.

1430121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430121020 is an abundant number, since it is smaller than the sum of its proper divisors (1573133164).

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

1430121020 is a wasteful number, since it uses less digits than its factorization.

1430121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71506060 (or 71506058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1430121020 is about 37816.9409127708. The cubic root of 1430121020 is about 1126.6549522414.

Adding to 1430121020 its reverse (201210341), we get a palindrome (1631331361).

The spelling of 1430121020 in words is "one billion, four hundred thirty million, one hundred twenty-one thousand, twenty".