107621019 has 48 divisors (see below), whose sum is σ = 175488768. Its totient is φ = 63000000.

The previous prime is 107620969. The next prime is 107621021. The reversal of 107621019 is 910126701.

It is not a de Polignac number, because 107621019 - 2⁹ = 107620507 is a prime.

It is a super-2 number, since 2×107621019² = 23164567461196722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107620983 and 107621001.

It is not an unprimeable number, because it can be changed into a prime (107621029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428644 + ... + 428894.

It is an arithmetic number, because the mean of its divisors is an integer number (3656016).

Almost surely, 2^107621019 is an apocalyptic number.

107621019 is a deficient number, since it is larger than the sum of its proper divisors (67867749).

107621019 is a wasteful number, since it uses less digits than its factorization.

107621019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 107621019 is about 10374.0550895009. The cubic root of 107621019 is about 475.6626305023.

It can be divided in two parts, 10762 and 1019, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 107621019 in words is "one hundred seven million, six hundred twenty-one thousand, nineteen".