1677420120 has 64 divisors (see below), whose sum is σ = 5082121440. Its totient is φ = 442880000.

The previous prime is 1677420103. The next prime is 1677420133. The reversal of 1677420120 is 210247761.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 57081 + ... + 81320.

Almost surely, 2^1677420120 is an apocalyptic number.

1677420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1677420120 is an abundant number, since it is smaller than the sum of its proper divisors (3404701320).

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

1677420120 is a wasteful number, since it uses less digits than its factorization.

1677420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138516 (or 138512 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1677420120 is about 40956.3196588756. The cubic root of 1677420120 is about 1188.1755627128.

Adding to 1677420120 its reverse (210247761), we get a palindrome (1887667881).

The spelling of 1677420120 in words is "one billion, six hundred seventy-seven million, four hundred twenty thousand, one hundred twenty".